Description
Overview:
This genuine Husqvarna steel hex nut is a direct-fit replacement for the FS400 Floor Saw and selected related machines. It secures key components against vibration and wear, helping keep drive and cutting assemblies firmly in place during demanding cutting work. Manufactured for robust service conditions, it offers a precise fit where specified by Husqvarna, reducing the risk of loosening and downtime. Identified by OEM/MPN 731 23 18-01 (731231801), it suits the Husqvarna FS400 and FS400LV among many other models listed below. A reliable fastening solution for contractors, facilities teams, and DIY users who need dependable fixings for saws, cutters, and compatible Husqvarna equipment.
Key Features:
- Genuine Husqvarna part for correct fit and dependable performance
- Durable steel construction for long service life under vibration
- Helps maintain secure assemblies and consistent cutting accuracy
- Suitable for the FS400/FS400LV and a wide range of listed Husqvarna machines
- OEM reference: 731 23 18-01 (MPN 731231801) for easy identification
- Straightforward to install using standard tools, aiding quick maintenance
- Supports preventive maintenance by replacing worn or rounded fasteners
- Designed for frequent use in construction and grounds care environments
Typical Applications:
Used to fasten guards, drive components, mounts, or ancillary parts where specified on Husqvarna floor saws and compatible machines. Ideal for routine servicing, part replacement after wear or loss, and resolving vibration-related loosening on professional cutting jobs, site work, road sawing, landscaping, and grounds maintenance.
Also known as:
Fastener, bolt nut, saw nut, fixing nut, retaining nut, hex nut, equipment nut, floor saw nut.
Fits Models:
142R, 142RB, 142RJ, 143R, 152RB, 152RJ, 153R, 242, 246, 268K, 272K, 323P, 325P, 326P, 327P, 327P4, 327P5x, 42, 525P4S, 525P5S, 535FBX, CS 2512, CS2512, DC 5500, DC 6000, DC5500, DC6000, DM 406 H, DM406H, FS 500 E, FS 600 E, FS305, FS309, FS3500 G, FS3500 G II, FS3500G, FS3500GII, FS400, FS400 LV, FS400LV, FS400OLV, FS410 D, FS410D, FS413, FS4800, FS5000, FS500E, FS513, FS520, FS524, FS600E, FS6600 JD T3, FS6600JDT3, FS6800 YAN T3, FS6800YANT3, FS7000, FS7000 DL, FS7000 DMT, FS7000DL, FS7000DMT, JET 48, JET48, K3000 Cut-n-Break, K3000Cut-n-Break, K4000 Cut-n-Break, K4000Cut-n-Break, K650 Cut-n-Break, K650Cut-n-Break, K760 Cut-n-Break, K760 Cut-n-Break II, K760Cut-n-Break, K760Cut-n-BreakII, KV1260, KV750, KV760, KV960, KV970, LB 448S, LB 548Se, LB 553Se, LB448S, LB548Se, LB553Se, LC 247Li, LC 247iX, LC 347VLi, LC 347iVX, LC 353iVX, LC247Li, LC247iX, LC347VLi, LC347iVX, LC353iVX, LC448 Se, LC448Se, M53 S PRO, M53SPRO, MS 360, MS 360 G, MS360, MS360G, P 524EFI Rider, P520 D Rider, P520D Rider, P524 Rider, P524EFI Rider, P525 D Riders, P525D Riders, PG 280, PG 400, PG280, PG400, PP 325 E, PP 455 E, PP325E, PP455E, PR14 Rider, PR15 Rider, PR17 AWD Rider, PR17 Rider, PR17AWD Rider, PR18 AWD Rider, PR18 Rider, PR18AWD Rider, PS50, PT26 D Rider, PT26D Rider, Proflex 1200 Rider, Proflex 18 Rider, Proflex 20 Rider, Proflex 21 AWD Rider, Proflex 21 Rider, Proflex 21AWD Rider, R 112iC, R 200iX, R111 B Rider, R111 B5 Rider, R111B Rider, R111B5 Rider, R112 C Rider, R112 C5 Rider, R112C Rider, R112C5 Rider, R112iC, R115 B Rider, R115 C Rider, R115B Rider, R115C Rider, R13 C5 Rider, R13C5 Rider, R200iX, R213 C Rider, R213C Rider, R214 T AWD Rider, R214 T Rider, R214 TC Rider, R214T Rider, R214TAWD Rider, R214TC Rider, R215 TX Rider, R215TX Rider, R216 AWD Rider, R216 Rider, R216 T AWD Rider, R216TAWD Rider, R316 T AWD Rider, R316 T Rider, R316 TX AWD Rider, R316 TX Rider, R316 TXs AWD Rider, R316 Ts AWD Rider, R316 TsX AWD Rider, R316T Rider, R316TAWD Rider, R316TX Rider, R316TXAWD Rider, R316TXsAWD Rider, R316TsAWD Rider, R316TsXAWD Rider, R318 Rider, R318 X Rider, R318X Rider, R320 AWD Rider, R320 X AWD Rider, R320XAWD Rider, R322T AWD Rider, R322TAWD Rider, R418 TS AWD Rider, R418 Ts Rider, R418TSAWD Rider, R418Ts Rider, R422 Ts AWD Rider, R422 Ts Rider, R422Ts Rider, R422TsAWD Rider, RC 318T Rider, RC 320Ts AWD Rider, RC318T Rider, RC320TsAWD Rider, RIDER11, RIDER13, RIDER16, RIDER18, ROYAL 46EL, ROYAL46EL, Rider, Rider 1030, Rider 11, Rider 11 BIO, Rider 11 C, Rider 11 R, Rider 11BIO, Rider 11C, Rider 11R, Rider 1200, Rider 13, Rider 13 AWD, Rider 13 BIO, Rider 13 C, Rider 13 R, Rider 13AWD, Rider 13BIO, Rider 13C, Rider 13R, Rider 15 C, Rider 15 T, Rider 15 T AWD, Rider 155, Rider 155 AWD, Rider 155AWD, Rider 15C, Rider 15T, Rider 15TAWD, Rider 15V2, Rider 15V2 AWD, Rider 15V2AWD, Rider 16, Rider 16 C, Rider 16 C AWD, Rider 16 H, Rider 16C, Rider 16CAWD, Rider 16H, Rider 175, Rider 175 AWD, Rider 175AWD, Rider 18, Rider 18 AWD, Rider 18AWD, Rider 850, Rider 850 HST, Rider 850HST, Rider 970, Rider 970 HST, Rider 970HST, Rider PRO 18, Rider PRO18, Saw Attachment, T300, TS 100 R, TS 300 E, TS 350 E, TS 400 F, TS 70, TS 90, TS100R, TS300E, TS350E, TS400F, TS70, TS90, WB48 S, WB48 SE, WB48S, WB48SE, WB53 SE, WB53SE, WC48 SE, WC48SE
Alternate Part Numbers:
731 23 18-01, 731231801
Product Specifications
| L&S Part No. | 731 23 18 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 731231801 |
| Unit of Sale | 1 |
| Applications | 142R, 142RB, 142RJ, 143R, 152RB, 152RJ, 153R, 242, 246, 268K, 272K, 323P, 325P, 326P, 327P, 327P4, 327P5x, 42, 525P4S, 525P5S, 535FBX, CS 2512, CS2512, DC 5500, DC 6000, DC5500, DC6000, DM 406 H, DM406H, FS 500 E, FS 600 E, FS305, FS309, FS3500 G, FS3500 G II, FS3500G, FS3500GII, FS400, FS400 LV, FS400LV, FS400OLV, FS410 D, FS410D, FS413, FS4800, FS5000, FS500E, FS513, FS520, FS524, FS600E, FS6600 JD T3, FS6600JDT3, FS6800 YAN T3, FS6800YANT3, FS7000, FS7000 DL, FS7000 DMT, FS7000DL, FS7000DMT, JET 48, JET48, K3000 Cut-n-Break, K3000Cut-n-Break, K4000 Cut-n-Break, K4000Cut-n-Break, K650 Cut-n-Break, K650Cut-n-Break, K760 Cut-n-Break, K760 Cut-n-Break II, K760Cut-n-Break, K760Cut-n-BreakII, KV1260, KV750, KV760, KV960, KV970, LB 448S, LB 548Se, LB 553Se, LB448S, LB548Se, LB553Se, LC 247Li, LC 247iX, LC 347VLi, LC 347iVX, LC 353iVX, LC247Li, LC247iX, LC347VLi, LC347iVX, LC353iVX, LC448 Se, LC448Se, M53 S PRO, M53SPRO, MS 360, MS 360 G, MS360, MS360G, P 524EFI Rider, P520 D Rider, P520D Rider, P524 Rider, P524EFI Rider, P525 D Riders, P525D Riders, PG 280, PG 400, PG280, PG400, PP 325 E, PP 455 E, PP325E, PP455E, PR14 Rider, PR15 Rider, PR17 AWD Rider, PR17 Rider, PR17AWD Rider, PR18 AWD Rider, PR18 Rider, PR18AWD Rider, PS50, PT26 D Rider, PT26D Rider, Proflex 1200 Rider, Proflex 18 Rider, Proflex 20 Rider, Proflex 21 AWD Rider, Proflex 21 Rider, Proflex 21AWD Rider, R 112iC, R 200iX, R111 B Rider, R111 B5 Rider, R111B Rider, R111B5 Rider, R112 C Rider, R112 C5 Rider, R112C Rider, R112C5 Rider, R112iC, R115 B Rider, R115 C Rider, R115B Rider, R115C Rider, R13 C5 Rider, R13C5 Rider, R200iX, R213 C Rider, R213C Rider, R214 T AWD Rider, R214 T Rider, R214 TC Rider, R214T Rider, R214TAWD Rider, R214TC Rider, R215 TX Rider, R215TX Rider, R216 AWD Rider, R216 Rider, R216 T AWD Rider, R216TAWD Rider, R316 T AWD Rider, R316 T Rider, R316 TX AWD Rider, R316 TX Rider, R316 TXs AWD Rider, R316 Ts AWD Rider, R316 TsX AWD Rider, R316T Rider, R316TAWD Rider, R316TX Rider, R316TXAWD Rider, R316TXsAWD Rider, R316TsAWD Rider, R316TsXAWD Rider, R318 Rider, R318 X Rider, R318X Rider, R320 AWD Rider, R320 X AWD Rider, R320XAWD Rider, R322T AWD Rider, R322TAWD Rider, R418 TS AWD Rider, R418 Ts Rider, R418TSAWD Rider, R418Ts Rider, R422 Ts AWD Rider, R422 Ts Rider, R422Ts Rider, R422TsAWD Rider, RC 318T Rider, RC 320Ts AWD Rider, RC318T Rider, RC320TsAWD Rider, RIDER11, RIDER13, RIDER16, RIDER18, ROYAL 46EL, ROYAL46EL, Rider, Rider 1030, Rider 11, Rider 11 BIO, Rider 11 C, Rider 11 R, Rider 11BIO, Rider 11C, Rider 11R, Rider 1200, Rider 13, Rider 13 AWD, Rider 13 BIO, Rider 13 C, Rider 13 R, Rider 13AWD, Rider 13BIO, Rider 13C, Rider 13R, Rider 15 C, Rider 15 T, Rider 15 T AWD, Rider 155, Rider 155 AWD, Rider 155AWD, Rider 15C, Rider 15T, Rider 15TAWD, Rider 15V2, Rider 15V2 AWD, Rider 15V2AWD, Rider 16, Rider 16 C, Rider 16 C AWD, Rider 16 H, Rider 16C, Rider 16CAWD, Rider 16H, Rider 175, Rider 175 AWD, Rider 175AWD, Rider 18, Rider 18 AWD, Rider 18AWD, Rider 850, Rider 850 HST, Rider 850HST, Rider 970, Rider 970 HST, Rider 970HST, Rider PRO 18, Rider PRO18, Saw Attachment, T300, TS 100 R, TS 300 E, TS 350 E, TS 400 F, TS 70, TS 90, TS100R, TS300E, TS350E, TS400F, TS70, TS90, WB48 S, WB48 SE, WB48S, WB48SE, WB53 SE, WB53SE, WC48 SE, WC48SE |
| Machine Type | Floor Saws |
| Fits Brands | Husqvarna |
| Fits Models | FS400 | KV960 | K4000 Cut-n-Break | K3000 Cut-n-Break | K650 Cut-n-Break | K760 Cut-n-Break | KV1260 | KV750 | KV760 | KV970 | 323P | 325P | 326P | 327P | 525P4S | 525P5S | 242 | 246 | PS50 | Saw Attachment | 42 | 268K | 272K | 142R | 142RB | 142RJ | 143R | 152RB | 152RJ | 153R | 535FBX | M53 S PRO | T300 | P 524EFI Rider | P520 D Rider | P524 Rider | P525 D Riders | PR14 Rider | PR15 Rider | PR17 Rider | PR17 AWD Rider | PR18 Rider | PR18 AWD Rider | PROFLEX 1200 Rider | PROFLEX 18 Rider | PROFLEX 20 Rider | PROFLEX 21 Rider | PROFLEX 21 AWD Rider | PT26 D Rider | R111 B Rider | R111 B5 Rider | R112 C Rider | R112 C5 Rider | R115 B Rider | R115 C Rider | R13 C5 Rider | R213 C Rider | R214 T Rider | R214 T AWD Rider | R214 TC Rider | R215 TX Rider | R216 Rider | R216 AWD Rider | R216 T AWD Rider | R316 T Rider | R316 T AWD Rider | R316 Ts AWD Rider | R316 TsX AWD Rider | R316 TX Rider | R316 TX AWD Rider | R316 TXs AWD Rider | R318 Rider | R318 X Rider | R320 AWD Rider | R320 X AWD Rider | R322T AWD Rider | R418 Ts Rider | R418 TS AWD Rider | R422 Ts Rider | R422 Ts AWD Rider | RC 318T Rider | RC 320Ts AWD Rider | RIDER 1030 | RIDER 11 | RIDER 11 BIO | RIDER 11 C | RIDER 11 R | RIDER 1200 | RIDER 13 | RIDER 13 AWD | RIDER 13 BIO | RIDER 13 C | RIDER 13 R | RIDER 15 C | RIDER 15 T | RIDER 15 T AWD | RIDER 155 | RIDER 155 AWD | RIDER 15V2 | RIDER 15V2 AWD | RIDER 16 | RIDER 16 C | RIDER 16 C AWD | RIDER 16 H | RIDER 175 | RIDER 175 AWD | RIDER 18 | RIDER 18 AWD | RIDER 850 | RIDER 850 HST | RIDER 970 | RIDER 970 HST | RIDER | RIDER PRO 18 | FS305 | FS309 | FS3500 G | FS400 LV | FS410 D | FS413 | FS4800 | FS5000 | FS513, FS520, FS524 | FS6600 JD T3 | FS6800 YAN T3 | FS7000 | FS7000 DL | FS7000 DMT | JET 48 | LB 448S | LB 548Se | LB 553Se | ROYAL 46EL | WB48 S | WB48 SE | WB53 SE | WC48 SE | LC 247iX | LC 247Li | LC 347iVX | LC 347VLi | LC 353iVX | LC448 Se | DC 5500 | DC 6000 | FS 500 E | FS 600 E | FS3500 G II | DM 406 H | CS 2512 | MS 360 | MS 360 G | PG 280 | PG 400 | PP 325 E | PP 455 E | K760 Cut-n-Break II | TS 100 R | TS 300 E | TS 350 E | TS 400 F | TS 70 | TS 90 | R 112iC | R 200iX | 327P4 | 327P5x |
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