The Screw,close Tolerance, cataloged under National Stock Number 5305-01-044-2245, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-044-2245 |
| Primary Part Number | HT4020-5-10 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| HT4020-5-10 PRIMARY | Huck International, Inc (USA) |
| HT4020-5-10 PRIMARY | Hi-Shear Corporation (USA) |
| 11925C5-10D | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4020-5-10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| HT4020-5-10 | 3/2 Design control — primary reference U.S. Government activity |
| HT4020-5-10 | 5/9 Secondary reference U.S. Government activity |
| HT4020-5-10 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| HT4020-5-10 | 5/9 Secondary reference Deutsch Fastener Corp |
| HT4020-5-10 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M652C5-10D | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-044-2245 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-044-2245 has 4 manufacturer part numbers on file: HT4020-5-10 (Huck International, Inc), HT4020-5-10 (Hi-Shear Corporation), 11925C5-10D (Reid Products Inc. Dba Reid Products Inc), HT4020-5-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HT4020-5-10: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Treatment: PASSIVATE 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.