The Washer,key, cataloged under National Stock Number 5310-00-191-4167, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-191-4167 |
| Primary Part Number | 7085354 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OR TT-E-529 FED SPEC 3RD TREATMENT RESPONSE AND MIL-M-10578 MIL SPEC 3RD TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.519 INCHES NOMINAL IN |
| External Prebent Key Length | 0.269 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.125 INCHES NOMINAL IN |
| Material Thickness | 0.106 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OR PRIMER OVERALL |
| External Prebent Key Width | 1.000 INCHES NOMINAL IN |
| Hole Diameter | 0.437 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 |
|---|---|
| 7085354 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310001914167 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-00-191-4167 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 5310-00-191-4167 has 1 manufacturer part number on file: 7085354 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7085354: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OR TT-E-529 FED SPEC 3RD TREATMENT RESPONSE AND MIL-M-10578 MIL SPEC 3RD TREATMENT RESPONSE OVERALL; Distance From Centerline to Inside of Prebent Key: 0.519 INCHES NOMINAL IN; External Prebent Key Length: 0.269 INCHES NOMINAL IN; Overall Distance Including Keys: 1.125 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.