The Washer,flat, cataloged under National Stock Number 5310-00-959-3580, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Atomics Aerotec Systems Gmbh. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-959-3580 |
| Primary Part Number | 205-060-438-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Atomics Aerotec Systems Gmbh |
| Status | ACTIVE |
| Overall Diameter | 1.590 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN |
| Material Document and Classification | HH-P-46 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | ASBESTOS OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.010 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN |
| Thickness | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 205-060-438-3 | General Atomics Aerotec Systems Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 205-060-438-003 | 5/9 Secondary reference U.S. Government activity |
| 205-060-438-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-959-3580 is a Washer,flat, manufactured by General Atomics Aerotec Systems Gmbh, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-959-3580 has 1 manufacturer part number on file: 205-060-438-3 (General Atomics Aerotec Systems Gmbh).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-472-6657. Verify interchangeability with system specifications before substitution.
Key specifications for 205-060-438-3: Overall Diameter: 1.590 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN; Material Document and Classification: HH-P-46 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.