The Screw,close Tolerance, cataloged under National Stock Number 5305-01-433-8875, 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 Div PB Fasteners. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-433-8875 |
| Primary Part Number | TX1026V3-4A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Fastener Length | 0.595 INCHES NOMINAL IN |
| Thread Length | 0.345 INCHES NOMINAL 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 |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Internal Drive Style | TORX |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3729 INCHES MINIMUM AND 0.3813 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 |
|---|---|
| TX1026V3-4A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 3M1169V3-4A PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 11827V3-4A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1026V3-4A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1169V3-4A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| 3M1169V3-4A | Houston Precision Fasteners I Lp (USA) |
| TX1026V3-4A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS1006V3-4A PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| WC1169V3-4A PRIMARY | West Coast Aerospace, Inc. (USA) |
| TX1026V3-4A PRIMARY | Hi-Shear Corporation (USA) |
| TX1026V3-4A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026V3-4A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1026V3-4A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 3M1169V3-4A | Karg Corp (USA) |
| 3M1169V3-4A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| TX1026V3-4A | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1026V3-4A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| NGB510GJ3-4 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| TX1026V3-4A | 5/9 Secondary reference Sps Technologies Inc |
| G5305LLAZZW458 | 5/2 Secondary reference U.S. Government activity |
| 10328251 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| TX1026V3-4A | 3/2 Design control — primary reference U.S. Government activity |
| TX1026V3-4A | C/1 Advisory reference — outside the item-of-supply concept Heartland Precision Fasteners Inc |
| 3M1169V3-4A | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5305-01-433-8875 is a Screw,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-433-8875 has 16 manufacturer part numbers on file: TX1026V3-4A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 3M1169V3-4A (Heartland Precision Fasteners Inc), 11827V3-4A (Reid Products Inc. Dba Reid Products Inc), TX1026V3-4A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M1169V3-4A (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc) and 11 more.
Key specifications for TX1026V3-4A: Fastener Length: 0.595 INCHES NOMINAL IN; Thread Length: 0.345 INCHES NOMINAL IN; Spline Major Diameter: 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN. 15 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.