The Washer,key, cataloged under National Stock Number 5310-00-435-4644, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-435-4644 |
| Primary Part Number | 11647327 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| External Straight Key Length | 0.470 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 1.850 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.940 INCHES NOMINAL IN |
| Peening Key Length | 0.910 INCHES NOMINAL IN |
| Material Thickness | 0.0478 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN |
| External Straight Key Width | 0.380 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| Hole Diameter | 0.641 INCHES MINIMUM AND 0.672 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 |
NSN 5310-00-435-4644 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 5310-00-435-4644 has 2 manufacturer part numbers on file: 11647327 (U S Army Tank Automotive Command Amsta-Im-Mm), 11647327 (Fnss Savunma Sistemleri Anonim Sirketi).
Key specifications for 11647327: External Straight Key Length: 0.470 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Distance Including Keys: 1.850 INCHES NOMINAL IN; Style Designator: KEY. 12 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.