The Washer,flat, cataloged under National Stock Number 5310-01-679-3271, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-679-3271 |
| Primary Part Number | 10-52919-03 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-DTL-5541, TYPE II CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Overall Diameter | 3.11 INCHES MINIMUM AND 3.15 INCHES MAXIMUM IN |
| Heat Treatment | H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD |
| Material Document and Classification | SAE AMS4016 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.89 INCHES MINIMUM AND 0.93 INCHES MAXIMUM IN |
| Thickness | 0.120 INCHES MINIMUM AND 0.130 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 |
|---|---|
| 10-52919-03 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
NSN 5310-01-679-3271 is a Washer,flat, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-679-3271 has 1 manufacturer part number on file: 10-52919-03 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 10-52919-03: Surface Treatment Document and Classification: MIL-DTL-5541, TYPE II CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Overall Diameter: 3.11 INCHES MINIMUM AND 3.15 INCHES MAXIMUM IN; Heat Treatment: H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD; Material Document and Classification: SAE AMS4016 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.