The Washer,shouldered, cataloged under National Stock Number 5310-01-477-9271, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-477-9271 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.078 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.285 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-W-45595/9/INACTIVE/ GOVERNMENT SPECIFICATION |
| Shoulder Diameter | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Material | PLASTIC OVERALL |
| Hole Diameter | 0.140 INCHES MINIMUM AND 0.150 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 |
| Reference | Meaning |
|---|---|
| M45595/9-13 | 2/2 Government specification standardization U.S. Government activity |
| MIL-W-45595/9 | 4/1 Identification reference U.S. Government activity |
NSN 5310-01-477-9271 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-477-9282, 5310-01-477-9680. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-477-9271: Overall Height: 0.117 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Shoulder Height: 0.078 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.