The Washer,key, cataloged under National Stock Number 5310-01-160-2046, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-160-2046 |
| Primary Part Number | 74A410775-2005 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Internal Straight Key Width | 0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN |
| Wire Hole Diameter | 0.070 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| External Prebent Key Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-25043,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Material Thickness | 0.090 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.220 INCHES NOMINAL IN |
| Material | STEEL COMP 631 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 1.390 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 |
|---|---|
| 74A410775-2005 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10109868 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A410775-2005 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-01-160-2046 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-160-2046 has 1 manufacturer part number on file: 74A410775-2005 (The Boeing Company Div Defense).
Key specifications for 74A410775-2005: Internal Straight Key Width: 0.231 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN; Wire Hole Diameter: 0.070 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; External Prebent Key Length: 0.500 INCHES NOMINAL IN. 13 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.