The Washer,recessed, cataloged under National Stock Number 5310-01-112-7946, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-112-7946 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Top Recess Diameter | 0.578 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 0.578 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | DUPONT 500,FSCM 27280 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Material | PLASTIC ACETAL OVERALL |
| Hole Diameter | 0.568 INCHES MINIMUM AND 0.588 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 |
|---|---|
| 755-RP | 3/2 Design control — primary reference U.S. Government activity |
| SM-B-963803 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-112-7946 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-112-7946: Top Recess Diameter: 0.578 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN; Bottom Recess Diameter: 0.578 INCHES MINIMUM AND 0.618 INCHES MAXIMUM IN; Top Recess Angle: 90.0 DEGREES NOMINAL; Style Designator: RECESSED BOTH SIDES. 10 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.