The Washer,key, cataloged under National Stock Number 5310-00-655-9532, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-655-9532 |
| Primary Part Number | 8754028 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| External Prebent Key Length | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.020 INCHES NOMINAL IN |
| Heat Treatment | AS FABRICATED |
| Material Document and Classification | QQ-S-766,CLASS341OR347 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| External Key Quantity | 5 |
| External Prebent Key Width | 0.180 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.406 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 |
|---|---|
| 8754028 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310006559532 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-00-655-9532 is a Washer,key, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-655-9532 has 1 manufacturer part number on file: 8754028 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8754028: External Prebent Key Length: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.020 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED; Material Document and Classification: QQ-S-766,CLASS341OR347 FED SPEC 1ST MATERIAL RESPONSE OVERALL. 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.