The Washer,shouldered, cataloged under National Stock Number 5310-00-889-7761, 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8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-889-7761 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.020 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-P-15047 TYPE NPG MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| Shoulder Diameter | 0.186 INCHES NOMINAL IN |
| Material | PLASTIC PHENOLIC OVERALL |
| Hole Diameter | 0.120 INCHES NOMINAL 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 |
|---|---|
| 321047-1 | 3/9 Design control — primary reference Linotype Co Div of Allied Corp |
NSN 5310-00-889-7761 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-254-6533, 5340-01-257-1761. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-889-7761: Shoulder Height: 0.020 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: MIL-P-15047 TYPE NPG MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.250 INCHES NOMINAL IN. 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.