The Screw,close Tolerance, cataloged under National Stock Number 5305-00-484-1963, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-484-1963 |
| Primary Part Number | LS15266V3-5 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Fastener Length | 0.573 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN |
| Thread Length | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Material Document and Classification | NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.328 INCHES MINIMUM AND 0.385 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 |
|---|---|
| LS15266V3-5 | Howmet Global Fastening Systems Inc (USA) |
| LS15266V3-5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LS15266V3-5 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LS15266V3-5 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| LS15266V3-5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| LS15266V3-5 | 3/2 Design control — primary reference U.S. Government activity |
| LS15266V3-5 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-00-484-1963 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-484-1963 has 5 manufacturer part numbers on file: LS15266V3-5 (Howmet Global Fastening Systems Inc), LS15266V3-5 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LS15266V3-5 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), LS15266V3-5 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), LS15266V3-5 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for LS15266V3-5: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Fastener Length: 0.573 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN; Thread Length: 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN. 18 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.