The Washer,recessed, cataloged under National Stock Number 5310-00-368-4947, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-368-4947 |
| Primary Part Number | 2287985 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Recess Depth | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Material Thickness | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.198 INCHES MINIMUM AND 0.204 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 |
|---|---|
| 2287985 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 2287985 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 2287985 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 46R313 | 5/9 Secondary reference Colt Industries Inc Holley Automotive Div |
NSN 5310-00-368-4947 is a Washer,recessed, manufactured by General Motors Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-368-4947 has 1 manufacturer part number on file: 2287985 (General Motors Corp).
Key specifications for 2287985: Overall Height: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Style Designator: RECESSED; Outside Diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Recess Depth: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN. 6 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.