NSN 5305-01-502-8450 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-502-8450. Manufacturer of record part number: H50153M.
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
2 manufacturer part numbers on file
Manufacturer of record: Civacon
Identification
NSN: 5305-01-502-8450
NIIN: 015028450
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: H50153M
Manufacturer: Civacon
General Description
The Screw,machine, cataloged under National Stock Number 5305-01-502-8450, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Civacon. Government technical data includes 5 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-502-8450?
NSN 5305-01-502-8450 is a Screw,machine, manufactured by Civacon, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-502-8450?
NSN 5305-01-502-8450 has 2 manufacturer part numbers on file: H50153M (Civacon), 91613A454 (Mcmaster-Carr Supply Co).
What are the specifications of H50153M?
Key specifications for H50153M: Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Direction: RIGHT-HAND; Special Features: SCREW (1/4"-20 X 1/2", STL, FIL, S.S.). 5 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-502-8450 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.