The Washer,recessed, cataloged under National Stock Number 5310-00-389-8137, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-389-8137 |
| Primary Part Number | 8379247 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.704 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Recess Depth | 0.062 INCHES NOMINAL IN |
| Material Thickness | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Recess Diameter | 0.687 INCHES NOMINAL IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Material | ALUMINUM ALLOY 2017 OVERALL |
| Hole Diameter | 0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN |
| Recess Angle | 90.0 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 |
|---|---|
| 5295337 | General Motors Corp (USA) |
| 8379247 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| PC5295337 | 5/9 Secondary reference General Motors Corp |
| PC5295337 | 5/9 Secondary reference General Motors Corp Packard Electric Div |
| PC5295337 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 5295337 | 3/9 Design control — primary reference General Motors Corp Packard Electric Div |
NSN 5310-00-389-8137 is a Washer,recessed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-389-8137 has 2 manufacturer part numbers on file: 5295337 (General Motors Corp), 8379247 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8379247: Overall Height: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.