The Washer,key, cataloged under National Stock Number 5310-00-511-7851, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-511-7851 |
| Primary Part Number | 192-31949 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| External Straight Key Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Peening Key Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| External Straight Key Width | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 OVERALL |
| Hole Diameter | 0.641 INCHES MINIMUM AND 0.651 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 |
|---|---|
| 192-31949 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-00-511-7851 is a Washer,key, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-511-7851 has 1 manufacturer part number on file: 192-31949 (The Boeing Company Div Legacy Am&m).
Key specifications for 192-31949: External Straight Key Length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: MIL-S-5059 MIL SPEC 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.