The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-537-9550, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Endries International, Inc. Dba Servtonics, an Endries International, Inc.. 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 | 5310-01-537-9550 |
| Primary Part Number | 971 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Endries International, Inc. Dba Servtonics, an Endries International, 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 |
|---|---|
| 971 PRIMARY | Endries International, Inc. Dba Servtonics, an Endries International, Inc. (USA) |
NSN 5310-01-537-9550 is a Nut,self-Locking,hexagon, manufactured by Endries International, Inc. Dba Servtonics, an Endries International, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-537-9550 has 1 manufacturer part number on file: 971 (Endries International, Inc. Dba Servtonics, an Endries International, Inc.).
Key specifications for 971: Part Name Assigned by Controlling Agency: NUT, .375-16 HX NYLOCK SS; End Item Identification: 6230-01-530-8890. 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.