The Washer,recessed, cataloged under National Stock Number 5310-00-601-9394, 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9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-601-9394 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 250.0 MICROINCHES ALL SURFACES |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-S-6049,COND C-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Material Thickness | 0.188 INCHES NOMINAL IN |
| Recess Diameter | 0.779 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN |
| Material | STEEL COMP 8740 OVERALL |
| Hole Diameter | 0.629 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Recess Angle | 45.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 5310PL1728102 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 354669 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-601-9394 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-601-9394: Surface Finish: 250.0 MICROINCHES ALL SURFACES; Style Designator: RECESSED; Material Document and Classification: MIL-S-6049,COND C-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.000 INCHES NOMINAL IN. 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.