The Washer,key, cataloged under National Stock Number 5310-00-252-5632, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-252-5632 |
| Primary Part Number | 11152175 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 11,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-A-250/12,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.300 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Width Between Flats | 0.260 INCHES MINIMUM AND 0.264 INCHES MAXIMUM IN |
| External Straight Key Width | 0.188 INCHES NOMINAL IN |
| External Key Quantity | 25 |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.320 INCHES MINIMUM AND 0.322 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 |
|---|---|
| 11152175 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-252-5632 is a Washer,key, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-252-5632 has 1 manufacturer part number on file: 11152175 (Us Army Aviation and Missile Command).
Key specifications for 11152175: Surface Treatment Document and Classification: MIL-A-8625,TYPE 11,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Distance Including Keys: 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: QQ-A-250/12,T4 FED SPEC SINGLE 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.