The Washer,key, cataloged under National Stock Number 5310-01-193-6902, 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 Legacy Am&m. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-193-6902 |
| Primary Part Number | L5875019-003 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Internal Straight Key Width | 0.062 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.117 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.062 INCHES NOMINAL IN |
| Material Thickness | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.388 INCHES MINIMUM AND 0.404 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 |
|---|---|
| L5875019-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-01-193-6902 is a Washer,key, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-193-6902 has 1 manufacturer part number on file: L5875019-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L5875019-003: Internal Straight Key Width: 0.062 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.117 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: ASTM A582,COND A 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.