The Washer,recessed, cataloged under National Stock Number 5310-00-930-6112, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-930-6112 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Surface Treatment Document and Classification | BPS FW4007,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Recess Depth | 0.050 INCHES NOMINAL IN |
| Material Thickness | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.625 INCHES MINIMUM AND 0.627 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 |
|---|---|
| 540-011-315-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-930-6112 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-930-6112: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Overall Height: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Surface Treatment Document and Classification: BPS FW4007,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED. 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.