The Screw,close Tolerance, cataloged under National Stock Number 5305-01-700-7242, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-700-7242 |
| Primary Part Number | 3M1262C4-3-5A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Spline Major Diameter | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.176 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 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 | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.358 INCHES MINIMUM AND 0.365 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 | Y |
| Part Number | Manufacturer |
|---|---|
| TX1024C4-3-5A | Huck International, Inc (USA) |
| TX1024C4-3-5A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| WC1262C4-3-5A | West Coast Aerospace, Inc. (USA) |
| 3M1262C4-3-5A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1262C4-3-5A | Camcar Llc Div Camcar Llc (USA) |
| TX1024C4-3-5A | Howmet Global Fastening Systems Inc (USA) |
| 3M1262C4-3-5A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M1262C4-3-5A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| TX1024C4-3-5A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1262C4-3-5A PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1262C4-3-5A | Linread Ltd (GBR) |
| 3M1262C4-3-5A | Houston Precision Fasteners I Lp (USA) |
| 3M1262C4-3-5A | Saturn Fasteners Inc (USA) |
| TX1024C4-3-5A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TX1024C4-3-5A | Hi-Shear Corporation (USA) |
| TX1024C4-3-5A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 11853C4-3-5A | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M1262C4-3-5A | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| TX1024C4-3-5A | 5/2 Secondary reference U.S. Government activity |
| TX1024C4-3-5A | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-700-7242 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-700-7242 has 18 manufacturer part numbers on file: TX1024C4-3-5A (Huck International, Inc), TX1024C4-3-5A (Sps Technologies, Llc Dba PB Fasteners), WC1262C4-3-5A (West Coast Aerospace, Inc.), 3M1262C4-3-5A (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M1262C4-3-5A (Camcar Llc Div Camcar Llc) and 13 more.
Key specifications for 3M1262C4-3-5A: Fastener Length: 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN; Thread Length: 0.312 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Spline Major Diameter: 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN. 17 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.