The Washer,key, cataloged under National Stock Number 5310-00-584-7204, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-584-7204 |
| Primary Part Number | 00426 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Overall Distance Including Keys | 1.687 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-5059,1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.312 INCHES NOMINAL IN |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| External Straight Key Width | 0.156 INCHES NOMINAL IN |
| External Key Quantity | 16 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 1.131 INCHES MINIMUM AND 1.151 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 |
|---|---|
| 00426 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| AM421S4400-1022157PC160 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-584-7204 is a Washer,key, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-584-7204 has 1 manufacturer part number on file: 00426 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
4 possible matches (shared part number, not a government interchangeability claim): 5995-01-140-5689, 6520-01-162-2010, 4130-01-460-1349. Verify interchangeability with system specifications before substitution.
Key specifications for 00426: Overall Distance Including Keys: 1.687 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: MIL-S-5059,1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.312 INCHES NOMINAL IN. 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.