The Screw,close Tolerance, cataloged under National Stock Number 5305-01-477-5817, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-477-5817 |
| Primary Part Number | 3M1170V5-5A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Point Diameter | 0.469 INCHES NOMINAL IN |
| Fastener Length | 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN |
| Thread Length | 0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.312 INCHES NOMINAL IN |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.464 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 3M1170V5-5A | Houston Precision Fasteners I Lp (USA) |
| 3M1170V5-5A PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| TX1027V5-5A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1027V5-5A PRIMARY | Huck International, Inc (USA) |
| 3M1170V5-5A PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| WC1170V5-5A | West Coast Aerospace, Inc. (USA) |
| TX1027V5-5A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M1170V5-5A PRIMARY | Heartland Precision Fasteners Inc (USA) |
| TX1027V5-5A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| TX1027V5-5A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GS1014V5-5A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1027V5-5A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11825V5-5A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1170V5-5A PRIMARY | Saturn Fasteners Inc (USA) |
| TX1027V5-5A PRIMARY | Hi-Shear Corporation (USA) |
| 11845V5-5A PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1170V5-5A | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| TX1027V5-5A | 3/2 Design control — primary reference U.S. Government activity |
| TX1027V5-5A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-477-5817 is a Screw,close Tolerance, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-477-5817 has 17 manufacturer part numbers on file: 3M1170V5-5A (Houston Precision Fasteners I Lp), 3M1170V5-5A (Fastener Innovation Technology, Inc. Dba F I T), TX1027V5-5A (Fairchild Fasteners Europe - Vsd Gmbh), TX1027V5-5A (Huck International, Inc), 3M1170V5-5A (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 12 more.
Key specifications for 3M1170V5-5A: Point Diameter: 0.469 INCHES NOMINAL IN; Fastener Length: 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM IN; Thread Length: 0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN; Spline Major Diameter: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN. 17 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.