The Washer,recessed, cataloged under National Stock Number 5310-00-445-7238, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-445-7238 |
| Primary Part Number | 10876454 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Heat Treatment | AS FABRICATED |
| Style Designator | RECESSED |
| Outside Diameter | 4.385 INCHES NOMINAL IN |
| Recess Depth | 0.537 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Material Thickness | 0.135 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL |
| Hole Diameter | 1.531 INCHES NOMINAL 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 |
|---|---|
| 2029148 | Garwood/feller Inc Garwood Winch Div (USA) |
| 10876454 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310004457238 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5310-00-445-7238 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 5310-00-445-7238 has 2 manufacturer part numbers on file: 2029148 (Garwood/feller Inc Garwood Winch Div), 10876454 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10876454: Overall Height: 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Style Designator: RECESSED; Outside Diameter: 4.385 INCHES NOMINAL IN. 8 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.