The Screw,close Tolerance, cataloged under National Stock Number 5305-01-042-4440, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Hi-Shear Corporation (CAGE 73197) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-042-4440 |
| Primary Part Number | HT260LB3-9 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| HT260LB3-9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT260LB3-9 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT8100-3-9 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| T150-3-9 | 5/9 Secondary reference U.S. Government activity |
| 66584-3-9 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT8100-3-9 | 5/9 Secondary reference U.S. Government activity |
| GB510F3-9 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 66584-3-9 | 3/2 Design control — primary reference U.S. Government activity |
| BM19024-3-9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BM19024-3-9 | 5/9 Secondary reference U.S. Government activity |
| T150-3-9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5305-01-042-4440 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-042-4440 has 2 manufacturer part numbers on file: HT260LB3-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT260LB3-9 (Hi-Shear Corporation).
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.