The Washer,key, cataloged under National Stock Number 5310-01-671-6175, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-671-6175 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Wire Hole Diameter | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Internal Prebent Key Width | 0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN |
| Distance From Key Center to Wire Hole Center | 0.184 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN |
| Style Designator | INTERNAL PREBENT KEY |
| Outside Diameter | 1.62 INCHES MINIMUM AND 1.64 INCHES MAXIMUM IN |
| Material Thickness | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 1.130 INCHES MINIMUM AND 1.140 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 |
|---|---|
| MS14198K18P | 5/9 Secondary reference U.S. Government activity |
| MS14198K18P | 3/2 Design control — primary reference U.S. Government activity |
| NASM14198 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5310-01-671-6175 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-671-6175: Wire Hole Diameter: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Internal Prebent Key Width: 0.169 INCHES MINIMUM AND 0.179 INCHES MAXIMUM IN; Distance From Key Center to Wire Hole Center: 0.184 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN; Style Designator: INTERNAL PREBENT KEY. 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.