The Screw,close Tolerance, cataloged under National Stock Number 5305-01-502-6845, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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); The Boeing Company Div Defense (CAGE 76301); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); Fairchild Fasteners Europe - Vsd Gmbh (CAGE C4293) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-502-6845 |
| Primary Part Number | 3M1170C4D15A |
| 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 |
|---|---|
| TX1027C4D15A | Howmet Global Fastening Systems Inc (USA) |
| 3M1170C4D15A PRIMARY | The Boeing Company Div Defense (USA) |
| TX1027C4D15A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| TX1027C4D15A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1027C4D15A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| GS1014C4D15A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1027C4D15A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX0127C4D15A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027C4D15A | Hi-Shear Corporation (USA) |
| 1182C5D15A | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1027C4D15A | 5/2 Secondary reference U.S. Government activity |
| TX1027C4D15A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5305-01-502-6845 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-502-6845 has 10 manufacturer part numbers on file: TX1027C4D15A (Howmet Global Fastening Systems Inc), 3M1170C4D15A (The Boeing Company Div Defense), TX1027C4D15A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), TX1027C4D15A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1027C4D15A (Fairchild Fasteners Europe - Vsd Gmbh) and 5 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.