The Washer,shouldered, cataloged under National Stock Number 5310-01-285-2044, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-285-2044 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Shoulder Height | 0.125 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Outside Diameter | 2.570 INCHES MINIMUM AND 2.590 INCHES MAXIMUM IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Shoulder Diameter | 1.690 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 1.051 INCHES MINIMUM AND 1.053 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 |
|---|---|
| 5768570-0036 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 26M02-7003 ITEM 35 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-285-2044 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-314-5158. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-285-2044: Shoulder Height: 0.125 INCHES NOMINAL IN; Style Designator: SHOULDERED; Outside Diameter: 2.570 INCHES MINIMUM AND 2.590 INCHES MAXIMUM IN; Material Thickness: 0.125 INCHES NOMINAL IN. 7 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.