The Washer,key, cataloged under National Stock Number 5310-00-712-0631, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sabreliner Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-712-0631 |
| Primary Part Number | 325051 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sabreliner Corp |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.241 INCHES NOMINAL IN |
| Split Key Length | 0.109 INCHES NOMINAL IN |
| External Prebent Key Length | 0.094 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.622 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.453 INCHES NOMINAL IN |
| External Tapered Key Width | 0.438 INCHES NOMINAL IN |
| Material Thickness | 0.034 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| External Prebent Key Angle | 15.0 DEGREES NOMINAL |
| External Prebent Key Width | 0.114 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Angle Between External Keys | 120.0 DEGREES NOMINAL |
| Hole Diameter | 0.264 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 |
|---|---|
| 325051 PRIMARY | Sabreliner Corp (USA) |
| Reference | Meaning |
|---|---|
| 325051 | 5/9 Secondary reference Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines |
NSN 5310-00-712-0631 is a Washer,key, manufactured by Sabreliner Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-712-0631 has 1 manufacturer part number on file: 325051 (Sabreliner Corp).
1 possible match (shared part number, not a government interchangeability claim): 6145-01-516-2386. Verify interchangeability with system specifications before substitution.
Key specifications for 325051: Distance From Centerline to Inside of Prebent Key: 0.241 INCHES NOMINAL IN; Split Key Length: 0.109 INCHES NOMINAL IN; External Prebent Key Length: 0.094 INCHES NOMINAL IN; Overall Distance Including Keys: 0.622 INCHES NOMINAL IN. 14 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.