The Washer,key, cataloged under National Stock Number 5310-00-770-7673, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-770-7673 |
| Primary Part Number | 7707673 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 3.094 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-698,T3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-698,T3 FED SPEC 2ND MATERIAL RESPONSE AND G-4M T3,FSC-24617 MFR REF 3RD MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.656 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| External Key Quantity | 18 |
| Internal Prebent Key Length | 0.141 INCHES NOMINAL IN |
| External Prebent Key Width | 0.219 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Material | STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 2.188 INCHES MINIMUM AND 2.198 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 |
|---|---|
| 7707673 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 6765460 | 5/9 Secondary reference General Motors Corp |
| 7707673 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-00-770-7673 is a Washer,key, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-770-7673 has 1 manufacturer part number on file: 7707673 (Us Army Aviation and Missile Command).
Key specifications for 7707673: Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Overall Distance Including Keys: 3.094 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: QQ-S-698,T3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-698,T3 FED SPEC 2ND MATERIAL RESPONSE AND G-4M T3,FSC-24617 MFR REF 3RD MATERIAL RESPONSE OVERALL. 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.