The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-549-2499, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Western Diesel Services, Inc. Dba Ck Power. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-549-2499 |
| Primary Part Number | ABNN04 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Western Diesel Services, Inc. Dba Ck Power |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| ABNN04 PRIMARY | Western Diesel Services, Inc. Dba Ck Power (USA) |
| Reference | Meaning |
|---|---|
| ABNN04 | 3/9 Design control — primary reference C-K Power Products Corp |
NSN 5310-01-549-2499 is a Nut,self-Locking,hexagon, manufactured by Western Diesel Services, Inc. Dba Ck Power, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-549-2499 has 1 manufacturer part number on file: ABNN04 (Western Diesel Services, Inc. Dba Ck Power).
Key specifications for ABNN04: Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: 1/4 INCH NUT IN; End Item Identification: 4930-01-504-2914, 4930-01-504-2949 AND 4930-01-504-2951, FUEL SYSTEM, SUPPLY POINT (FSSP). 1 specification is 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.