The Screw,close Tolerance, cataloged under National Stock Number 5305-01-660-3482, 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 28 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-660-3482 |
| Primary Part Number | TX1026C5D19A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES HEAD |
| Surface Finish | 125.0 MICROINCHES FIRST HOLE |
| Head Height | 0.138 INCHES NOMINAL IN |
| Fastener Length | 1.6415 INCHES MINIMUM AND 1.6715 INCHES MAXIMUM IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5662 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.221 INCHES NOMINAL IN |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 76301-3-1169 MANUFACTURERS STANDARD |
| Grip Length | 1.1775 INCHES MINIMUM AND 1.1975 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 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 | 24 |
| Material | NICKEL ALLOY 718 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.5465 INCHES NOMINAL FIRST HOLE IN |
| Hole Type | DRILLED |
| Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 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 |
|---|---|
| 3M1169C5D19A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1169C5D19A | The Boeing Company Div Defense (USA) |
| TX1026C5D19A PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1026C5D19A PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1026C5D19A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M1169C5D19A | Heartland Precision Fasteners Inc (USA) |
| TX1026C5D19A PRIMARY | Hi-Shear Corporation (USA) |
| TX1026C5D19A PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| TX1026C5D19A PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| TX1026C5D19A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-660-3482 is a Screw,close Tolerance, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-660-3482 has 9 manufacturer part numbers on file: 3M1169C5D19A (Reid Products Inc. Dba Reid Products Inc), 3M1169C5D19A (The Boeing Company Div Defense), TX1026C5D19A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), TX1026C5D19A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1026C5D19A (Fairchild Fasteners Europe - Vsd Gmbh) and 4 more.
Key specifications for TX1026C5D19A: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES HEAD; Surface Finish: 125.0 MICROINCHES FIRST HOLE. 28 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.