The Washer,key, cataloged under National Stock Number 5310-00-646-9375, 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 14 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 | 5310-00-646-9375 |
| Primary Part Number | 9090924 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Internal Straight Key Width | 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| External Straight Key Length | 0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.184 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 171 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.220 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN |
| Material Thickness | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| External Key Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OVERALL |
| Internal Key Quantity | 16 |
| Hole Diameter | 0.501 INCHES MINIMUM AND 0.511 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 |
|---|---|
| 9090924 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-646-9375 is a Washer,key, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-646-9375 has 1 manufacturer part number on file: 9090924 (Us Army Aviation and Missile Command).
Key specifications for 9090924: Internal Straight Key Width: 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; External Straight Key Length: 0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.184 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 171 MIL STD SINGLE TREATMENT RESPONSE OVERALL. 14 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.