The Washer,key, cataloged under National Stock Number 5310-00-491-0735, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-491-0735 |
| Primary Part Number | 33087-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Outside Diameter | 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Hole Diameter | 0.343 INCHES MINIMUM AND 0.343 INCHES MINIMUM AND 0.350 INCHES MAXIMUM0.350 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 |
| Part Number | Manufacturer |
|---|---|
| 33087-1 PRIMARY | Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 33087-1 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 5310-00-491-0735 is a Washer,key, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-491-0735 has 1 manufacturer part number on file: 33087-1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated).
Key specifications for 33087-1: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Outside Diameter: 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN; Special Features: 0.093 IN. MIN,0.098 IN. MAX DIA HOLE LOCATED IN END OF KEY0.093 IN. MIN,0.098 IN. MAX DIA HOLE LOCATED IN END OF KEY IN; Surface Treatment: CADMIUM OVERALL. 4 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.