The Washer,key, cataloged under National Stock Number 5310-01-427-9798, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-427-9798 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35, TY 1,2,3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 5.703 INCHES MAXIMUM IN |
| Material Document and Classification | AISI 302,303,304 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 5.000 INCHES MINIMUM AND 5.045 INCHES MAXIMUM IN |
| Material Thickness | 0.088 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| External Key Quantity | 15 |
| Internal Prebent Key Length | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Hole Diameter | 4.192 INCHES MINIMUM AND 4.222 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 |
| Reference | Meaning |
|---|---|
| 211055044 | 5/1 Secondary reference Naval Sea Systems Command |
| MS19070-213 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-01-427-9798 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-427-9798: Surface Treatment Document and Classification: QQ-P-35, TY 1,2,3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM IN; Overall Distance Including Keys: 5.703 INCHES MAXIMUM IN; Material Document and Classification: AISI 302,303,304 ASSN STD ALL MATERIAL RESPONSES 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.