The Washer,key, cataloged under National Stock Number 5310-01-171-3630, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-171-3630 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Distance From Centerline to End of Longest Key | 1.875 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.000 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR KEY |
| Material Document and Classification | QQ-S-636 (CANC) FED SPEC SINGLE MATERIAL RESPONSE OR B8A4C2 FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| External Prebent Key Width | 2.250 INCHES NOMINAL IN |
| Material | STEEL COMP 1017 OVERALL |
| Hole Diameter | 1.188 INCHES NOMINAL 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 |
|---|---|
| 642A174 PART 30 | 3/2 Design control — primary reference U.S. Government activity |
| 642A174 P.30 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| 642A174 PART 30 | 3/9 Design control — primary reference General Electric Company |
| PL-781E755 PART 59 | 5/9 Secondary reference General Electric Company |
NSN 5310-01-171-3630 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-171-3630: Distance From Centerline to End of Longest Key: 1.875 INCHES NOMINAL IN; Overall Distance Including Keys: 3.000 INCHES NOMINAL IN; Style Designator: RECTANGULAR KEY; Material Document and Classification: QQ-S-636 (CANC) FED SPEC SINGLE MATERIAL RESPONSE OR B8A4C2 FSCM 01289 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 8 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.