NSN 5305-01-343-5334 · NIIN 013435334 · Part number 378431-4
Parker Hannifin Corporation Div Chelsea Products Division · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 11757
Government record, cited
NSN 5305-01-343-5334 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-343-5334. Manufacturer of record part number: 378431-4.
Nearby stock numbers← 5305-01-343-5333 Screw, Externally Relieved Body
·
5305-01-343-5335 Screw, Cap, Hexagon Head →
5305-01-343-5334 — Screws
Features
Screw,cap,hexagon Head — FSC 5305
Fastener Length: 0.500 INCHES NOMINAL IN
Nominal Thread Diameter: 0.375 INCHES IN
Thread Quantity Per Inch: 16
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
2 manufacturer part numbers on file
Manufacturer of record: Parker Hannifin Corporation Div Chelsea Products Division
Identification
NSN: 5305-01-343-5334
NIIN: 013435334
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 378431-4
Manufacturer: Parker Hannifin Corporation Div Chelsea Products Division
General Description
The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-343-5334, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div Chelsea Products Division. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-01-343-5334
Primary Part Number
378431-4
Item Name
Screw,cap,hexagon Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
Parker Hannifin Corporation Div Chelsea Products Division
Parker Hannifin Corporation Div Chelsea Products Division (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-343-5334?
NSN 5305-01-343-5334 is a Screw,cap,hexagon Head, manufactured by Parker Hannifin Corporation Div Chelsea Products Division, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-343-5334?
NSN 5305-01-343-5334 has 2 manufacturer part numbers on file: Y045 764 05 (Paccar Parts U.k. Limited), 378431-4 (Parker Hannifin Corporation Div Chelsea Products Division).
What are the specifications of 378431-4?
Key specifications for 378431-4: Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Thread Quantity Per Inch: 16; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 4 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-343-5334 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.