The Screw,close Tolerance, cataloged under National Stock Number 5305-01-513-8723, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-513-8723 |
| Primary Part Number | TX1026C3-10A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Point Diameter | 0.345 INCHES NOMINAL IN |
| Fastener Length | 0.705 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Material Document and Classification | AAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 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 | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Grip Diameter | 0.189 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| 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 | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.372 INCHES MINIMUM AND 0.381 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 |
|---|---|
| TX1026C3-10A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M1169C3-6AF | The Boeing Company Div Defense (USA) |
| TX1026C3-10A PRIMARY | Hi-Shear Corporation (USA) |
| TX1026C3-10A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026C3-10A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026C3-10A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026C3-10A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 11827C3-6AF | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1169C3-10A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| TX1026C3-10A PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| TX1026C4-10A | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| TX1026C4-10A | 5/9 Secondary reference Sps Technologies Inc |
| TX1026C4-10A | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| TX1026C4-10A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| TX1026C4-10A | 5/9 Secondary reference Hi-Shear Corporation |
| TX1026C4-10A | 5/9 Secondary reference Fairchild Fasteners Europe - Vsd Gmbh |
| TX1026C3-10A | 3/2 Design control — primary reference U.S. Government activity |
| TX1026C4-10A | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| TX1026C4-10A | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-513-8723 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-513-8723 has 10 manufacturer part numbers on file: TX1026C3-10A (Fairchild Fasteners Europe - Vsd Gmbh), 3M1169C3-6AF (The Boeing Company Div Defense), TX1026C3-10A (Hi-Shear Corporation), TX1026C3-10A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1026C3-10A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 5 more.
Key specifications for TX1026C3-10A: Point Diameter: 0.345 INCHES NOMINAL IN; Fastener Length: 0.705 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN; Thread Length: 0.345 INCHES NOMINAL IN; Material Document and Classification: AAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 19 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.