The Washer,key, cataloged under National Stock Number 5310-01-154-3990, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-154-3990 |
| Primary Part Number | 14026772 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 2.520 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.172 INCHES MINIMUM AND 2.187 INCHES MAXIMUM IN |
| Material Thickness | 0.100 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| External Straight Key Width | 0.500 INCHES NOMINAL IN |
| External Key Quantity | 4 |
| Material | STEEL COMP 1010 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.640 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 |
|---|---|
| 14026772 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 14026772 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 17-01-014-001 | 5/9 Secondary reference Liberty Ventures Inti, Llc |
NSN 5310-01-154-3990 is a Washer,key, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-154-3990 has 1 manufacturer part number on file: 14026772 (General Motors Llc Dba General Motors Llc).
Key specifications for 14026772: Internal Straight Key Width: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Overall Distance Including Keys: 2.520 INCHES NOMINAL IN; Style Designator: KEY. 12 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.