The Washer,key, cataloged under National Stock Number 5310-01-132-3402, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-132-3402 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.134 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PS 13001,FSCM 93835 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Distance From Centerline to End of Key | 0.640 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.329 INCHES MINIMUM AND 0.339 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 |
|---|---|
| 3003215-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-132-3402 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-132-3402: Internal Straight Key Width: 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.134 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN; Surface Treatment Document and Classification: PS 13001,FSCM 93835 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM. 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.