The Washer,flat, cataloged under National Stock Number 5310-00-359-1040, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-359-1040 |
| Primary Part Number | 374166 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Komatsu America Corporation |
| Status | ACTIVE |
| Overall Diameter | 1.053 INCHES MINIMUM AND 1.058 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1010 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.771 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN |
| Thickness | 0.0299 INCHES MINIMUM AND 0.0359 INCHES MAXIMUM 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 |
|---|---|
| 374166 PRIMARY | Komatsu America Corporation (USA) |
| B262204 | Garrett Motion France a (FRA) |
| 262204 | Garrett Motion France a (FRA) |
| Reference | Meaning |
|---|---|
| 2250524 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 58182R1 | 3/2 Design control — primary reference U.S. Government activity |
| 2250524 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5310-00-359-1040 is a Washer,flat, manufactured by Komatsu America Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-359-1040 has 3 manufacturer part numbers on file: 374166 (Komatsu America Corporation), B262204 (Garrett Motion France a), 262204 (Garrett Motion France a).
Key specifications for 374166: Overall Diameter: 1.053 INCHES MINIMUM AND 1.058 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.