The Screw,close Tolerance, cataloged under National Stock Number 5305-01-341-6591, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Huck International, Inc. Div Huck Products Division (CAGE 0HDW7); Hi-Shear Corporation (CAGE 73197); Howmet Global Fastening Systems Inc (CAGE 06950); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Huck International, Inc (CAGE 17446) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-341-6591 |
| Primary Part Number | DF33001V-3T-3 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| DF330001V-3T-3 | Huck International, Inc. Div Huck Products Division (USA) |
| HR246-3-3 | Hi-Shear Corporation (USA) |
| SC5027-3-3 | Howmet Global Fastening Systems Inc (USA) |
| HR246-3-3 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| DF33001V-3T-3 PRIMARY | Huck International, Inc (USA) |
| PBF1484-3-3 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC1700-3-3 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 03A225-3-3 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| 123992-3-3 | 5/9 Secondary reference Sps Technologies Inc |
| DF33001V-3T-3 | 5/9 Secondary reference U.S. Government activity |
| 123992-3-3 | 5/2 Secondary reference U.S. Government activity |
| SLB212-3-3 | 5/9 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
NSN 5305-01-341-6591 is a Screw,close Tolerance, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-341-6591 has 7 manufacturer part numbers on file: DF330001V-3T-3 (Huck International, Inc. Div Huck Products Division), HR246-3-3 (Hi-Shear Corporation), SC5027-3-3 (Howmet Global Fastening Systems Inc), HR246-3-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), DF33001V-3T-3 (Huck International, Inc) and 2 more.
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.