The Washer,key, cataloged under National Stock Number 5310-00-032-6976, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-032-6976 |
| Primary Part Number | S10-10-3319 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Overall Distance Including Keys | 2.625 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.012 INCHES NOMINAL IN |
| Material Thickness | 0.056 INCHES NOMINAL IN |
| Width Between Flats | 1.594 INCHES MINIMUM AND 1.599 INCHES MAXIMUM IN |
| External Straight Key Width | 0.219 INCHES NOMINAL IN |
| External Key Quantity | 15 |
| Hole Diameter | 1.690 INCHES MINIMUM AND 1.696 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 |
|---|---|
| S10-10-3319 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5310-00-032-6976 is a Washer,key, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-032-6976 has 1 manufacturer part number on file: S10-10-3319 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S10-10-3319: Overall Distance Including Keys: 2.625 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.012 INCHES NOMINAL IN. 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.