The Screw,close Tolerance, cataloged under National Stock Number 5305-01-400-2806, 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 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Reid Products Inc. Dba Reid Products Inc (CAGE 59563); Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998); Hi-Shear Corporation (CAGE 73197); Valley-Todeco, Inc. Dba Arconic Fastening Systems (CAGE 06710); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-400-2806 |
| Primary Part Number | ST3M454-4DL-5 |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 11905-4DL5 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M454-4DL-5 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4025L4D5 | Hi-Shear Corporation (USA) |
| ST3M454-4DL5 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4025L4D5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M454-4DL5 | Heartland Precision Fasteners Inc (USA) |
| HT4025L4D5 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M454-4DL5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| WC4025L-4D5 | West Coast Aerospace, Inc. (USA) |
| HT4025L4D5 | Huck International, Inc (USA) |
| HT4025L4D5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M454-4DL5 | Houston Precision Fasteners I Lp (USA) |
| ST3M454-4DL-5 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4025L4D5 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4025L4D5 | 5/9 Secondary reference U.S. Government activity |
| HT4025L4D5 | 5/9 Secondary reference Sps Technologies Inc |
| ST3M454-4DL5 | 5/2 Secondary reference U.S. Government activity |
| HT4025L4D5 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5305-01-400-2806 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-400-2806 has 14 manufacturer part numbers on file: 11905-4DL5 (Reid Products Inc. Dba Reid Products Inc), ST3M454-4DL-5 (Fastener Innovation Technology, Inc. Dba F I T), HT4025L4D5 (Hi-Shear Corporation), ST3M454-4DL5 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), HT4025L4D5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 9 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.