The Screw,close Tolerance, cataloged under National Stock Number 5305-01-446-9516, 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 16 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through both NSN and commercial part number lookups. 23 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-446-9516 |
| Primary Part Number | 3M1262C3-8-5A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.049 INCHES NOMINAL IN |
| Fastener Length | 0.812 INCHES NOMINAL IN |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.293 INCHES MINIMUM AND 0.301 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 |
|---|---|
| TX1024C3-8-5A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| TX1024C3-8-5A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| TX1024C3-8-5A | Hi-Shear Corporation (USA) |
| 3M1262C3-8-5A | Linread Ltd (GBR) |
| 3M1262C3-8-5A | Houston Precision Fasteners I Lp (USA) |
| 3M1262C3-8-5A | Camcar Llc Div Camcar Llc (USA) |
| 3M1262C3-8-5A | Saturn Fasteners Inc (USA) |
| 3M1262C3-8-5A | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 11853C3-8-5A | Reid Products Inc. Dba Reid Products Inc (USA) |
| WC1262C3-8-5A | West Coast Aerospace, Inc. (USA) |
| TX1024C3-8-5A | Huck International, Inc (USA) |
| 3M1262C3-8-5A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1262C3-8-5A | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M1262C3-8-5A | Heartland Precision Fasteners Inc (USA) |
| TX1024C3-8-5A | Howmet Global Fastening Systems Inc (USA) |
| 3M1262C3-8-5A PRIMARY | The Boeing Company Div Defense (USA) |
| TX1024C3-8-5A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| TX1024C3-8-5A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| TX1024D3-8-5A | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 11853D3-8-5A | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| TX1024D3-8-5A | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Inc |
| TX1024C3-8-5A | 5/2 Secondary reference U.S. Government activity |
| 3M1262C3-8-5A | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 3M1262C3-8-5A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HP1262D3-8-5A | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| 3M1262D3-8-5A | 5/9 Secondary reference The Boeing Company Div Defense |
| TX1024D3-8-5A | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| TX1024D3-8-5A | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| 3M1262C3-8-5A | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| TX1024-8-5A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3M1262C3-8-5A | 5/9 Secondary reference U.S. Government activity |
| TX1024D3-8-5A | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| TX1024C3-8-5A | 5/2 Secondary reference U.S. Government activity |
| TX1024D3-8-5A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 10328035 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| TX1024D3-8-5A | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| 3M1262C3-8-5A | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| TX1024D3-8-5A | 5/9 Secondary reference Fairchild Fasteners Europe - Vsd Gmbh |
NSN 5305-01-446-9516 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-446-9516 has 18 manufacturer part numbers on file: TX1024C3-8-5A (Sps Technologies, Llc Dba PB Fasteners), TX1024C3-8-5A (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), TX1024C3-8-5A (Hi-Shear Corporation), 3M1262C3-8-5A (Linread Ltd), 3M1262C3-8-5A (Houston Precision Fasteners I Lp) and 13 more.
Key specifications for 3M1262C3-8-5A: Head Height: 0.049 INCHES NOMINAL IN; Fastener Length: 0.812 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN. 16 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.