The Washer,key, cataloged under National Stock Number 5310-01-130-9057, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-130-9057 |
| Primary Part Number | 74A550658-2005 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Wire Hole Diameter | 0.063 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.600 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/11,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.360 INCHES NOMINAL IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| External Key Quantity | 1 |
| External Prebent Key Width | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| 74A550658-2005 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10109584 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A550658-2005 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-130-9057 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-130-9057 has 1 manufacturer part number on file: 74A550658-2005 (The Boeing Company Div Defense).
Key specifications for 74A550658-2005: Wire Hole Diameter: 0.063 INCHES NOMINAL IN; Overall Distance Including Keys: 1.600 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/11,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.360 INCHES NOMINAL IN. 8 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.