NSN 5305-01-491-0332 · NIIN 014910332 · Part number 124-4322603 PC20
Naval Sea Systems Command · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5305-01-491-0332 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-491-0332. Manufacturer of record part number: 124-4322603 PC20.
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Identification
NSN: 5305-01-491-0332
NIIN: 014910332
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 124-4322603 PC20
Manufacturer: Naval Sea Systems Command
General Description
The Setscrew, cataloged under National Stock Number 5305-01-491-0332, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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.
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 5305-01-491-0332?
NSN 5305-01-491-0332 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-491-0332?
NSN 5305-01-491-0332 has 2 manufacturer part numbers on file: 124-4322603 PC20 (Naval Sea Systems Command), 92313A707 (Mcmaster-Carr Supply Co).
What are the specifications of 124-4322603 PC20?
Key specifications for 124-4322603 PC20: Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Thread Direction: RIGHT-HAND; Thread Class: 2A A. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-491-0332 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.