The Screw,close Tolerance, cataloged under National Stock Number 5305-01-644-1182, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-644-1182 |
| Primary Part Number | 3M1170C5-17A |
| 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 |
|---|---|
| 3M1170C5-17A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M1170C5-17A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| TX1027C5-17A | Huck International, Inc (USA) |
| 3M1170C5-17A | Houston Precision Fasteners I Lp (USA) |
| TX1027C5-17A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M1170C5-17A PRIMARY | The Boeing Company Div Defense (USA) |
| TX1027C5-17A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 11845C5-17A | Reid Products Inc. Dba Reid Products Inc (USA) |
| GS1014C5-17A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1027C5-17A | Howmet Global Fastening Systems Inc (USA) |
| 3M1170C5-17A | Heartland Precision Fasteners Inc (USA) |
| TX1027C5-17A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027C5-17A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| WC1170C5-17A | West Coast Aerospace, Inc. (USA) |
| TX1027C5-17A | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| TX1027C5-17A | 5/2 Secondary reference U.S. Government activity |
| TX1027C5-17A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-644-1182 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-644-1182 has 15 manufacturer part numbers on file: 3M1170C5-17A (Fastener Innovation Technology, Inc. Dba F I T), 3M1170C5-17A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), TX1027C5-17A (Huck International, Inc), 3M1170C5-17A (Houston Precision Fasteners I Lp), TX1027C5-17A (Sps Technologies, Llc Dba PB Fasteners) and 10 more.
Key specifications for 3M1170C5-17A: End Item Identification: F/A-18 EF AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
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.