The Screw,close Tolerance, cataloged under National Stock Number 5305-01-535-6835, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 25 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5305-01-535-6835 |
| Primary Part Number | 3M1170C3-10AF |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Point Diameter | 0.345 INCHES NOMINAL IN |
| Fastener Length | 0.955 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN |
| Thread Length | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Grip Diameter | 0.189 INCHES NOMINAL IN |
| Internal Drive Style | TORX |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Head Diameter | 0.293 INCHES MINIMUM AND 0.301 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 |
|---|---|
| 3M1170C3-10AF PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1027C3-10AF PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1170C3-10AF | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1027C3-10AF | Howmet Global Fastening Systems Inc (USA) |
| 3M1170C3-10AF | Linread Northbridge (aircraft Product Division) (GBR) |
| TX1027C3-10AF | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M1170C3-10AF PRIMARY | Saturn Fasteners Inc (USA) |
| 11845C3-10AF PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1170C3-10AF PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1027C3-10AF | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M1170C3-10AF PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1170C3-10AF | Houston Precision Fasteners I Lp (USA) |
| 3M1170C3-10AF | Linread Ltd (GBR) |
| 3M1170C3-10AF PRIMARY | Heartland Precision Fasteners Inc (USA) |
| TX1027C3-10AF PRIMARY | Hi-Shear Corporation (USA) |
| 3M1170C3-10AF PRIMARY | Huck International, Inc (USA) |
| 3M1170C3-10AF PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| WC1170C3-10AF | West Coast Aerospace, Inc. (USA) |
| TX1027C3-10AF | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1170C3-10AF PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3M1170C3-10AF | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| TX1027C3-10AF | 5/9 Secondary reference Sps Technologies Inc |
| TX1027C3-10AF | 3/2 Design control — primary reference U.S. Government activity |
| 3M1170C3-10AF | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-535-6835 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-535-6835 has 25 manufacturer part numbers on file: 3M1170C3-10AF (Sps Technologies, Llc Dba PB Fasteners), TX1027C3-10AF (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M1170C3-10AF (Fairchild Fasteners Europe - Vsd Gmbh), TX1027C3-10AF (Howmet Global Fastening Systems Inc), 3M1170C3-10AF (Linread Northbridge (aircraft Product Division)) and 20 more.
Key specifications for 3M1170C3-10AF: Point Diameter: 0.345 INCHES NOMINAL IN; Fastener Length: 0.955 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN; Thread Length: 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN; Spline Major Diameter: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN. 14 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.