The Washer,t R Fork,air, cataloged under National Stock Number 5310-01-563-0831, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-563-0831 |
| Primary Part Number | 269A6095-5 |
| Item Name | Washer,t R Fork,air |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Overall Diameter | 0.438 INCHES NOMINAL IN |
| Special Test Features | 7/16 OUTSIDE DIAMETER X 0.94" WALL; SHELBY SEAMLESS STEEL TUBING PER SAE 1020 OR MIL-T-5066 TYPE II |
| Supplementary Features | HOLE DIAMETER: 0.260" NOMINAL |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 269A6095-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 269A6095-5 | 5/9 Secondary reference Schweizer Aircraft Corp. |
| 269A6095-005 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 269A6095-005 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 269A6095-5 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 269A6095-005 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 269A6095-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 269A6095-005 | 3/9 Design control — primary reference Schweizer Aircraft Corp. |
NSN 5310-01-563-0831 is a Washer,t R Fork,air, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-563-0831 has 1 manufacturer part number on file: 269A6095-5 (Northrop Grumman Systems Corporation).
Key specifications for 269A6095-5: Overall Diameter: 0.438 INCHES NOMINAL IN; Special Test Features: 7/16 OUTSIDE DIAMETER X 0.94" WALL; SHELBY SEAMLESS STEEL TUBING PER SAE 1020 OR MIL-T-5066 TYPE II; Supplementary Features: HOLE DIAMETER: 0.260" NOMINAL; Overall Width: 0.062 INCHES NOMINAL IN. 5 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.
NSN 5310-01-563-0831 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.