The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-520-3753, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hills Holdings Ltd. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Hills Holdings Ltd (CAGE ZL531) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-520-3753 |
| Primary Part Number | 8100-005 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hills Holdings Ltd |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 8100-005 | Hills Holdings Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 8100-005 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-520-3753 is a Nut,plain,hexagon, manufactured by Hills Holdings Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-520-3753 has 1 manufacturer part number on file: 8100-005 (Hills Holdings Ltd).
Key specifications for 8100-005: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: LEFT-HAND; Nominal Thread Size: 0.250 INCHES IN; Special Features: C BAND LNB/LNA ATTACHMENT, NEXT HIGHER ASSEMBLY 0200-655. 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.