The Washer,key, cataloged under National Stock Number 5310-00-776-6964, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-776-6964 |
| Primary Part Number | 7766964 |
| 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 | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 3.469 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-640,CANC FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 2.906 INCHES MINIMUM AND 2.969 INCHES MAXIMUM IN |
| Material Thickness | 0.074 INCHES NOMINAL IN |
| External Key Quantity | 12 |
| Material | STEEL COMP 1009 OR STEEL COMP 1022 OVERALL |
| Hole Diameter | 2.192 INCHES MINIMUM AND 2.197 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 |
|---|---|
| 7766964 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5310-00-776-6964 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 5310-00-776-6964 has 1 manufacturer part number on file: 7766964 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7766964: External Straight Key Length: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Overall Distance Including Keys: 3.469 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-640,CANC FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 2.906 INCHES MINIMUM AND 2.969 INCHES MAXIMUM 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.