The Washer,keyway, cataloged under National Stock Number 5310-00-945-0236, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-945-0236 |
| Primary Part Number | 369A1409 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Distance From Centerline to Bottom of Internal Keyway | 0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Internal Keyway Width | 0.216 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| Internal Keyway Quantity | 6 |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Material | STEEL COMP 1050 OR STEEL COMP 1074 OVERALL |
| Hole Diameter | 0.695 INCHES MINIMUM AND 0.700 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 |
|---|---|
| 369A1409 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 369A1409 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-00-945-0236 is a Washer,keyway, manufactured by The Boeing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-945-0236 has 1 manufacturer part number on file: 369A1409 (The Boeing Company).
Key specifications for 369A1409: Distance From Centerline to Bottom of Internal Keyway: 0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Internal Keyway Width: 0.216 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 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.