The Washer,key, cataloged under National Stock Number 5310-00-902-5423, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Atomics Aerotec Systems Gmbh. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-902-5423 |
| Primary Part Number | 204-040-814-3 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Atomics Aerotec Systems Gmbh |
| Status | ACTIVE |
| External Prebent Key Length | 0.160 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.300 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 90000 POUNDS PER SQUARE INCH LBS |
| External Prebent Key Width | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 OR STEEL OVERALL |
| Hole Diameter | 0.620 INCHES MINIMUM AND 0.640 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 |
|---|---|
| 204-040-814-3 | General Atomics Aerotec Systems Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 204-040-814-003 | 3/2 Design control — primary reference U.S. Government activity |
| 204-040-814-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-902-5423 is a Washer,key, manufactured by General Atomics Aerotec Systems Gmbh, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-902-5423 has 1 manufacturer part number on file: 204-040-814-3 (General Atomics Aerotec Systems Gmbh).
Key specifications for 204-040-814-3: External Prebent Key Length: 0.160 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.300 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN. 9 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.