The Screw,close Tolerance, cataloged under National Stock Number 5305-01-406-3083, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-406-3083 |
| Primary Part Number | HT4057-8-13A |
| 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 |
|---|---|
| ST3M733-8L13 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HT4057-8-13A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4057-8-13A PRIMARY | Hi-Shear Corporation (USA) |
| 11935-8L-13 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M733-8L-13 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4057-8-13A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-406-3083 is a Screw,close Tolerance, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-406-3083 has 4 manufacturer part numbers on file: ST3M733-8L13 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc), HT4057-8-13A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4057-8-13A (Hi-Shear Corporation), 11935-8L-13 (Reid Products Inc. Dba Reid Products Inc).
Key specifications for HT4057-8-13A: End Item Identification: F-15S. 0 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.