The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-618-4405, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is B. Hepworth and Co., Ltd. of Connecticut, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-618-4405 |
| Primary Part Number | 10011400 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | B. Hepworth and Co., Ltd. of Connecticut, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 10011400 PRIMARY | B. Hepworth and Co., Ltd. of Connecticut, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3003716-4 | C/1 Advisory reference — outside the item-of-supply concept General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
NSN 5310-01-618-4405 is a Nut,self-Locking,hexagon, manufactured by B. Hepworth and Co., Ltd. of Connecticut, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-618-4405 has 1 manufacturer part number on file: 10011400 (B. Hepworth and Co., Ltd. of Connecticut, Inc.).
Key specifications for 10011400: Part Name Assigned by Controlling Agency: NUT, BLADE BOLT M4 NYLOCK; End Item Identification: MRAP-COUGAR. 0 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.