The Screw,close Tolerance, cataloged under National Stock Number 5305-01-502-0482, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-502-0482 |
| Primary Part Number | TX1026C3-20A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Spline Minor Diameter | 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN |
| Fastener Length | 1.580 INCHES MINIMUM AND 1.610 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 | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM 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 | 0.3729 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 |
|---|---|
| 11827C3-20A | Reid Products Inc. Dba Reid Products Inc (USA) |
| TX1026C3-20A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026C3-20A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M1169C3-20A | Heartland Precision Fasteners Inc (USA) |
| 3M1169C3-20A | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| GS1006C3-20A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1026C3-20A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026C3-20A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1026C3-20A | Howmet Global Fastening Systems Inc (USA) |
| TX1026C3-20A | Hi-Shear Corporation (USA) |
| 3M1169C3-20A | The Boeing Company Div Defense (USA) |
| TX1026C3-20A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| TX1026C3-20A | 5/9 Secondary reference Sps Technologies Inc |
| TX1026C3-20A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-502-0482 is a Screw,close Tolerance, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-502-0482 has 12 manufacturer part numbers on file: 11827C3-20A (Reid Products Inc. Dba Reid Products Inc), TX1026C3-20A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1026C3-20A (Fairchild Fasteners Europe - Vsd Gmbh), 3M1169C3-20A (Heartland Precision Fasteners Inc), 3M1169C3-20A (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc) and 7 more.
Key specifications for TX1026C3-20A: Spline Minor Diameter: 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN; Fastener Length: 1.580 INCHES MINIMUM AND 1.610 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.