The Screw,machine, cataloged under National Stock Number 5305-00-503-5684, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-503-5684 |
| Primary Part Number | LS15267V3-40 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Screw Material Document and Classification | NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE V |
| Thread Length | 2.438 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Screw Material | TITANIUM ALLOY UNS R54520 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| LS15267V3-40 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LS15267V3-40 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LS15267V3-40 | Howmet Global Fastening Systems Inc (USA) |
| LS15267V3-40 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LS15267V3-40 | Hi-Shear Corporation (USA) |
| LS15267V3-40 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LS15267V3-40 | Huck International, Inc (USA) |
| LS15267V3-40 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| LS15267V3-40 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-503-5684 is a Screw,machine, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-503-5684 has 8 manufacturer part numbers on file: LS15267V3-40 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), LS15267V3-40 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LS15267V3-40 (Howmet Global Fastening Systems Inc), LS15267V3-40 (Sps Technologies, Llc Dba PB Fasteners), LS15267V3-40 (Hi-Shear Corporation) and 3 more.
Key specifications for LS15267V3-40: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Fastener Length: 2.500 INCHES NOMINAL IN; Screw Material Document and Classification: NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE V; Thread Length: 2.438 INCHES NOMINAL IN. 13 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.