The Washer,recessed, cataloged under National Stock Number 5310-01-060-9609, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Safran Power Usa Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-060-9609 |
| Primary Part Number | 51516-1085 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Safran Power Usa Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Recess Diameter | 0.265 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.164 INCHES NOMINAL IN |
| Recess Angle | 100.0 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 |
| Part Number | Manufacturer |
|---|---|
| 51516-1085 PRIMARY | Safran Power Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 51516-1085 | 3/9 Design control — primary reference Lucas Aerospace Power Equipment Corporation |
NSN 5310-01-060-9609 is a Washer,recessed, manufactured by Safran Power Usa Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-060-9609 has 1 manufacturer part number on file: 51516-1085 (Safran Power Usa Llc).
Key specifications for 51516-1085: Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. 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.