The Washer,key, cataloged under National Stock Number 5310-00-933-1370, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Deutschland Ltd & Co Kg. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-933-1370 |
| Primary Part Number | 1-140-161-01 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Deutschland Ltd & Co Kg |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 2.539 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Style Designator | KEY |
| Material Document and Classification | AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.320 INCHES NOMINAL IN |
| Material Thickness | 0.205 INCHES NOMINAL IN |
| External Straight Key Width | 0.199 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN |
| External Key Quantity | 4 |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 4140 OVERALL |
| Hole Diameter | 1.9682 INCHES MINIMUM AND 1.9686 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 |
|---|---|
| 1-140-161-01 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| Reference | Meaning |
|---|---|
| 1-140-161-01 | 5/9 Secondary reference U.S. Government activity |
| 1-140-161-01 | C/1 Advisory reference — outside the item-of-supply concept Ozark Aeroworks Llc |
| 1-140-161-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-00-933-1370 is a Washer,key, manufactured by Rolls-Royce Deutschland Ltd & Co Kg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-933-1370 has 1 manufacturer part number on file: 1-140-161-01 (Rolls-Royce Deutschland Ltd & Co Kg).
Key specifications for 1-140-161-01: Surface Treatment Document and Classification: AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Distance Including Keys: 2.539 INCHES MINIMUM AND 2.540 INCHES MAXIMUM IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Style Designator: KEY. 12 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.