The Washer,recessed, cataloged under National Stock Number 5310-00-893-1697, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-893-1697 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-200/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.030 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN |
| Recess Depth | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.490 INCHES MINIMUM AND 0.510 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 |
|---|---|
| 204-001-248-1 | 3/2 Design control — primary reference U.S. Government activity |
| 204-001-248-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-893-1697 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-893-1697: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Overall Height: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: QQ-A-200/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.