The Washer,shouldered, cataloged under National Stock Number 5310-00-079-9815, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-079-9815 |
| Primary Part Number | 1209-24 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Safran Power Usa Llc |
| Status | ACTIVE |
| Shoulder Height | 0.015 INCHES NOMINAL IN |
| Heat Treatment | T-4 SOLUTION HEAT TREATED, NATURAL AGED |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-A-225/6,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Material Thickness | 0.035 INCHES NOMINAL IN |
| Shoulder Diameter | 0.600 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.500 INCHES MINIMUM AND 0.502 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 |
| Part Number | Manufacturer |
|---|---|
| 1209-24 PRIMARY | Safran Power Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 1209-24 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| 1209-24 | 3/9 Design control — primary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 5310-00-079-9815 is a Washer,shouldered, manufactured by Safran Power Usa Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-079-9815 has 1 manufacturer part number on file: 1209-24 (Safran Power Usa Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5331-00-263-5057, 5935-00-896-3547, 5940-01-311-5515. Verify interchangeability with system specifications before substitution.
Key specifications for 1209-24: Shoulder Height: 0.015 INCHES NOMINAL IN; Heat Treatment: T-4 SOLUTION HEAT TREATED, NATURAL AGED; Style Designator: SHOULDERED; Material Document and Classification: QQ-A-225/6,TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.