The Screw,shoulder, cataloged under National Stock Number 5305-01-006-2076, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-006-2076 |
| Primary Part Number | HT51UA-24 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 3-53 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | 3-53 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| HT51UA-24 PRIMARY | Hi-Shear Corporation (USA) |
| HT404A-5-24 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HT51UA-24 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| HT404A-5-24 | 5/9 Secondary reference U.S. Government activity |
| 54267-5-24 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 54267-5-24 | 3/2 Design control — primary reference U.S. Government activity |
| 3M51-5-24 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-006-2076 is a Screw,shoulder, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-006-2076 has 3 manufacturer part numbers on file: HT51UA-24 (Hi-Shear Corporation), HT404A-5-24 (Howmet Global Fastening Systems Inc), HT51UA-24 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HT51UA-24: Surface Treatment Document and Classification: 3-53 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: 3-53 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 5 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.