The Washer,flat, cataloged under National Stock Number 5310-00-424-7231, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-424-7231 |
| Primary Part Number | 254753R1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Overall Diameter | 1.875 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | RUBBER SYNTHETIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.095 INCHES NOMINAL IN |
| Thickness | 0.379 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 254753R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 254753R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 254753R1 | 5/9 Secondary reference U.S. Government activity |
| 254753R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 5310-00-424-7231 is a Washer,flat, manufactured by Komatsu America Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-424-7231 has 1 manufacturer part number on file: 254753R1 (Komatsu America Corp.).
Key specifications for 254753R1: Overall Diameter: 1.875 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: RUBBER SYNTHETIC OVERALL. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.