The Washer,recessed, cataloged under National Stock Number 5310-00-876-7499, 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8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-876-7499 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Radius | 0.010 INCHES MAXIMUM IN |
| Style Designator | RECESSED |
| Outside Diameter | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Recess Diameter | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.375 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 37A101018P102 | 5/9 Secondary reference General Electric Company |
| 37A101018P102 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-876-7499 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-876-7499: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Overall Height: 0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Radius: 0.010 INCHES MAXIMUM IN; Style Designator: RECESSED. 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.