The Washer,recessed, cataloged under National Stock Number 5310-00-447-2677, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-447-2677 |
| Primary Part Number | 7411310 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Top Recess Diameter | 2.374 INCHES MINIMUM AND 3.765 INCHES MAXIMUM IN |
| Bottom Recess Diameter | 2.3740 INCHES MINIMUM AND 2.3765 INCHES MAXIMUM IN |
| Top Recess Angle | 90.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Outside Diameter | 3.3095 INCHES MINIMUM AND 3.3120 INCHES MAXIMUM IN |
| Material Thickness | 0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Bottom Recess Angle | 90.0 DEGREES NOMINAL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 2.3120 INCHES MINIMUM AND 2.3145 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 |
|---|---|
| 7411310 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 3659760 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3659760 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 3659760 | 5/9 Secondary reference General Motors Corp |
| 3659760 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
NSN 5310-00-447-2677 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 5310-00-447-2677 has 2 manufacturer part numbers on file: 7411310 (U S Army Tank Automotive Command Amsta-Im-Mm), 3659760 (General Motors Llc Dba General Motors Llc).
Key specifications for 7411310: Top Recess Diameter: 2.374 INCHES MINIMUM AND 3.765 INCHES MAXIMUM IN; Bottom Recess Diameter: 2.3740 INCHES MINIMUM AND 2.3765 INCHES MAXIMUM IN; Top Recess Angle: 90.0 DEGREES NOMINAL; Style Designator: RECESSED BOTH SIDES. 9 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.