The Washer,key, cataloged under National Stock Number 5310-00-436-4666, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-436-4666 |
| Primary Part Number | 10233199 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Internal Straight Key Width | 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.354 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.038 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.702 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-766,CLASS 302,CONDITION A,CLASS 2D FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Material Thickness | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.387 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 |
|---|---|
| 10233199 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 5310004364666 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-00-436-4666 is a Washer,key, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-436-4666 has 1 manufacturer part number on file: 10233199 (Us Army Aviation and Missile Command).
Key specifications for 10233199: Internal Straight Key Width: 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Inside of Prebent Key: 0.354 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN. 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.