The Screw,close Tolerance, cataloged under National Stock Number 5305-01-579-6431, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 06950); Valley-Todeco, Inc. Dba Arconic Fastening Systems (CAGE 06710); The Boeing Company Div Defense (CAGE 76301); Sps Technologies Ltd, Tj Brooks Division (CAGE K5673); Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-579-6431 |
| Primary Part Number | ST3M713-8D46 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| HT4048-8D46 | Howmet Global Fastening Systems Inc (USA) |
| ST3M713-8D46 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M713-8D46 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4048-8D46 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4048-8D46 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4048-8D46 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HT4048-8D46 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11929-8D46 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M713-8D46 | Houston Precision Fasteners I Lp (USA) |
| ST3M713-8D46 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4048-8D46 | Hi-Shear Corporation (USA) |
| ST3M713-8D46 | Heartland Precision Fasteners Inc (USA) |
| HT4048-8D46 | Huck International, Inc (USA) |
| HT4048-8D46 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| WC4048-8D46 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HT4048-8D46 | 5/2 Secondary reference U.S. Government activity |
| HT4048-8D46 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-579-6431 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-579-6431 has 15 manufacturer part numbers on file: HT4048-8D46 (Howmet Global Fastening Systems Inc), ST3M713-8D46 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), ST3M713-8D46 (The Boeing Company Div Defense), HT4048-8D46 (Sps Technologies Ltd, Tj Brooks Division), HT4048-8D46 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 10 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.
NSN 5305-01-579-6431 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.