The Washer,key, cataloged under National Stock Number 5310-01-316-7085, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-316-7085 |
| Primary Part Number | 4059948 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| External Straight Key Length | 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.657 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Peening Key Length | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Material Thickness | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| External Straight Key Width | 0.242 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| External Key Quantity | 2 |
| Material | NICKEL ALLOY 718 OVERALL |
| Hole Diameter | 0.096 INCHES MINIMUM AND 0.100 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 |
|---|---|
| 4059948 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0750080 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-316-7085 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-316-7085 has 1 manufacturer part number on file: 4059948 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 2815-01-605-7351. Verify interchangeability with system specifications before substitution.
Key specifications for 4059948: External Straight Key Length: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.657 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN. 10 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.