The Washer,key, cataloged under National Stock Number 5310-01-171-3629, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-171-3629 |
| Primary Part Number | 642A174 PART 13 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Distance From Centerline to End of Longest Key | 3.250 INCHES NOMINAL IN |
| Overall Distance Including Keys | 4.250 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 | 2.000 INCHES NOMINAL IN |
| Material | STEEL COMP 1017 OVERALL |
| Hole Diameter | 1.000 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 |
| Part Number | Manufacturer |
|---|---|
| PL-781E755 PART 18 | General Electric Company (USA) |
| 642A174-13 | Argo Turboserve Corporation Div Argo Turboserve Corp. (USA) |
| 642A174 PART 13 PRIMARY | General Electric Company (USA) |
| 642A174 P13 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 642A174 PIECE 13 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| 642A174 P.13 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
NSN 5310-01-171-3629 is a Washer,key, manufactured by General Electric Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-171-3629 has 4 manufacturer part numbers on file: PL-781E755 PART 18 (General Electric Company), 642A174-13 (Argo Turboserve Corporation Div Argo Turboserve Corp.), 642A174 PART 13 (General Electric Company), 642A174 P13 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for 642A174 PART 13: Distance From Centerline to End of Longest Key: 3.250 INCHES NOMINAL IN; Overall Distance Including Keys: 4.250 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.