The Screw,close Tolerance, cataloged under National Stock Number 5305-01-102-5523, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Hi-Shear Corporation (CAGE 73197); Howmet Global Fastening Systems Inc (CAGE 06950); Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998); Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (CAGE 007R1); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-102-5523 |
| Primary Part Number | ST3M733-3L9 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| 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 |
|---|---|
| HT4057-3-9A | Hi-Shear Corporation (USA) |
| HT4057-3-9A | Howmet Global Fastening Systems Inc (USA) |
| ST3M733-3L9 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M733-3L9 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HT4057-3-9A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4057-3-9A | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| WC4057-3-9 | West Coast Aerospace, Inc. (USA) |
| HT4057-3-9A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4057-3-9A | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4057-3-9 | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
| HT4057-3-9 | 5/9 Secondary reference U.S. Government activity |
| HT4057-3-9 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4057-3-9 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| CHT4057-3-9 | 5/9 Secondary reference U.S. Government activity |
| HT4057-3-9 | 5/9 Secondary reference Hi-Shear Corporation |
| HT4057-3-9 | 5/9 Secondary reference Huck International, Inc |
| HT4057-3-9A | 5/2 Secondary reference U.S. Government activity |
| HT4057-3-9 | 5/9 Secondary reference U.S. Government activity |
| HT4057-3-9 | 5/9 Secondary reference Sps Technologies Inc |
| HT4057-3-9A | 5/9 Secondary reference U.S. Government activity |
| ST3M733-3-9 | 5/9 Secondary reference The Boeing Company Div Defense |
| CHT4057-3-9 | 5/9 Secondary reference Deutsch Co the |
| HT4057-3-9 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HT4057-3-9A | 5/9 Secondary reference U.S. Government activity |
| CHT4057-3-9 | 5/9 Secondary reference U.S. Government activity |
| HT4057-3-9 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| ST3M733-3L9 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-102-5523 is a Screw,close Tolerance, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-102-5523 has 9 manufacturer part numbers on file: HT4057-3-9A (Hi-Shear Corporation), HT4057-3-9A (Howmet Global Fastening Systems Inc), ST3M733-3L9 (Fastener Innovation Technology, Inc. Dba F I T), ST3M733-3L9 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc), HT4057-3-9A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 4 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.