The Washer,flat, cataloged under National Stock Number 5310-00-286-3103, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-286-3103 |
| Primary Part Number | 6510120 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2402 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.547 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN |
| Thickness | 0.068 INCHES MINIMUM AND 0.076 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 |
|---|---|
| 6510120 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 6510120 | 3/9 Design control — primary reference Aeroproducts Opns of Allison Div of General Motors Corp |
NSN 5310-00-286-3103 is a Washer,flat, manufactured by General Motors Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-286-3103 has 1 manufacturer part number on file: 6510120 (General Motors Corp).
Key specifications for 6510120: Surface Treatment Document and Classification: AMS 2402 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.547 INCHES MINIMUM AND 1.577 INCHES MAXIMUM IN; Material Document and Classification: AMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.