The Washer,key, cataloged under National Stock Number 5310-00-333-7385, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-333-7385 |
| Primary Part Number | 8340107 |
| 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 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| External Straight Key Width | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| External Key Quantity | 4 |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.515 INCHES MINIMUM AND 0.547 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 |
|---|---|
| 8340107 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 8340107 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| 8340107 | Goriziane Group Spa (ITA) |
| Reference | Meaning |
|---|---|
| 5310003337385 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5310003337385 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5310-00-333-7385 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 5310-00-333-7385 has 3 manufacturer part numbers on file: 8340107 (U S Army Tank Automotive Command Amsta-Im-Mm), 8340107 (Fnss Savunma Sistemleri Anonim Sirketi), 8340107 (Goriziane Group Spa).
Key specifications for 8340107: Surface Treatment Document and Classification: QQ-P-416 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-Z-325 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Distance Including Keys: 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.