The Washer,key, cataloged under National Stock Number 5310-00-274-9269, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Diamond Power International, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-274-9269 |
| Primary Part Number | 301551-0112 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Diamond Power International, Inc. |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| External Prebent Key Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.984 INCHES MINIMUM AND 1.000 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 |
|---|---|
| 301551-0112 PRIMARY | Diamond Power International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 30155-0112 | 5/9 Secondary reference Diamond Electronics Inc |
| N3-19014PC464 | 5/9 Secondary reference Diamond Electronics Inc |
| N3-19023-11FM1221 | 5/9 Secondary reference Diamond Electronics Inc |
NSN 5310-00-274-9269 is a Washer,key, manufactured by Diamond Power International, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-274-9269 has 1 manufacturer part number on file: 301551-0112 (Diamond Power International, Inc.).
Key specifications for 301551-0112: Distance From Centerline to Inside of Prebent Key: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; External Prebent Key Length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 10 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.