The Screw,close Tolerance, cataloged under National Stock Number 5305-01-246-2758, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | The Boeing Company Div Defense (CAGE 76301); West Coast Aerospace, Inc. (CAGE 60516); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Howmet Global Fastening Systems Inc (CAGE 06950); Reid Products Inc. Dba Reid Products Inc (CAGE 59563) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-246-2758 |
| Primary Part Number | ST3M455-7L16 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| ST3M455-7L16 PRIMARY | The Boeing Company Div Defense (USA) |
| WC4027-7L16 | West Coast Aerospace, Inc. (USA) |
| HT4027L7-16 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4027L7-16 | Howmet Global Fastening Systems Inc (USA) |
| 11907-7L16 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4027L7-16 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4027L7-16 | Hi-Shear Corporation (USA) |
| HT4024L7-16 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| Reference | Meaning |
|---|---|
| ST3M557-7L16 | 5/9 Secondary reference The Boeing Company Div Defense |
| HT4024L7-16 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT4024L7-16 | 5/9 Secondary reference U.S. Government activity |
| HT4024L7-16 | 5/9 Secondary reference U.S. Government activity |
| HT4024L7-16 | 5/9 Secondary reference U.S. Government activity |
| ST3M557-7L16 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| HT4024L7-16 | 7/2 Vendor item drawing reference Huck International, Inc |
| 10130703 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-246-2758 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-246-2758 has 8 manufacturer part numbers on file: ST3M455-7L16 (The Boeing Company Div Defense), WC4027-7L16 (West Coast Aerospace, Inc.), HT4027L7-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4027L7-16 (Howmet Global Fastening Systems Inc), 11907-7L16 (Reid Products Inc. Dba Reid Products 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.