The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-663-7438, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-663-7438 |
| Primary Part Number | 1170864 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Nominal Thread Size | 0.50 INCHES IN |
| Locking Feature | NYLON INSERT |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| LCKN 0500 0013 | Millard Towers Limited (CAN) |
| 1170864 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-663-7438 is a Nut,self-Locking,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-663-7438 has 2 manufacturer part numbers on file: LCKN 0500 0013 (Millard Towers Limited), 1170864 (Fastenal Company Dba Fastenal Co).
Key specifications for 1170864: Nominal Thread Size: 0.50 INCHES IN; Locking Feature: NYLON INSERT; Special Features: 1/2"-13;ROHS;THICKNESS 0.609";COARSE THREAD;WRENCH SIZE 3/4";PRODUCT WEIGHT 0.426 POUNDS LBS; Part Name Assigned by Controlling Agency: GRADE 18-8 NE STAINLESS STEEL NYLON INSERT LOCK NUT. 4 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.