The Washer,key, cataloged under National Stock Number 5310-01-119-7197, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-119-7197 |
| Primary Part Number | 74A410577-2001 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Internal Straight Key Width | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.442 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP 4130 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 1.200 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 |
|---|---|
| 74A410577-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 74A410577-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 10109335 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-119-7197 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-119-7197 has 1 manufacturer part number on file: 74A410577-2001 (The Boeing Company Div Defense).
Key specifications for 74A410577-2001: Internal Straight Key Width: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.442 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: MIL-S-18729,COND N MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758,COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.