The Screw,close Tolerance, cataloged under National Stock Number 5305-01-135-4146, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | West Coast Aerospace, Inc. (CAGE 60516); Sps Technologies Ltd, Tj Brooks Division (CAGE K5673); Hi-Shear Corporation (CAGE 73197); Howmet Global Fastening Systems Inc (CAGE 06950); Huck International, Inc (CAGE 17446) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-135-4146 |
| Primary Part Number | WC4024L7-12 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | West Coast Aerospace, 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 |
|---|---|
| WC4024L7-12 PRIMARY | West Coast Aerospace, Inc. (USA) |
| ST3M455-7L12 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M455-7L12 PRIMARY | Hi-Shear Corporation (USA) |
| ST3M455-7L12 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M455-7L12 PRIMARY | Huck International, Inc (USA) |
| ST3M455-7L12 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M455-7L12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11907-7L12 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4024L7-12 | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
| HT4024L7-12 | 5/9 Secondary reference Huck International, Inc |
| HT4024L7-12 | 5/9 Secondary reference U.S. Government activity |
| ST3M455-7L12 | 3/2 Design control — primary reference U.S. Government activity |
| HT4024L7-12 | 5/9 Secondary reference Hi-Shear Corporation |
| ST3M455-7L12 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HT4024L7-12 | 5/9 Secondary reference U.S. Government activity |
| 10115376 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M455-7L12 | 5/9 Secondary reference Sps Technologies Inc |
| HT4024L7-12 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-135-4146 is a Screw,close Tolerance, manufactured by West Coast Aerospace, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-135-4146 has 8 manufacturer part numbers on file: WC4024L7-12 (West Coast Aerospace, Inc.), ST3M455-7L12 (Sps Technologies Ltd, Tj Brooks Division), ST3M455-7L12 (Hi-Shear Corporation), ST3M455-7L12 (Howmet Global Fastening Systems Inc), ST3M455-7L12 (Huck International, Inc) and 3 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.