NSN 5305-01-372-3538 · NIIN 013723538 · Part number 6509993
Naval Sea Systems Command · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5305-01-372-3538 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-372-3538. Manufacturer of record part number: 6509993.
Nearby stock numbers← 5305-01-372-3198 Screw, Cap, Hexagon Head
·
5305-01-372-3539 Screw, Cap, Socket Head →
5305-01-372-3538 — Screws
Features
Setscrew — FSC 5305
Width Across Flats: 0.062 INCHES NOMINAL IN
Fastener Length: 0.250 INCHES NOMINAL IN
Nominal Thread Diameter: 0.125 INCHES IN
Head Style: HEADLESS (SETSCREW)
Thread Direction: RIGHT-HAND
Point Style: CUP
Locking Feature: PATCH THREADS
Identification
NSN: 5305-01-372-3538
NIIN: 013723538
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 6509993
Manufacturer: Naval Sea Systems Command
General Description
The Setscrew, cataloged under National Stock Number 5305-01-372-3538, 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 14 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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Frequently Asked Questions
What is NSN 5305-01-372-3538?
NSN 5305-01-372-3538 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-372-3538?
NSN 5305-01-372-3538 has 2 manufacturer part numbers on file: 91385A124 (Mcmaster-Carr Supply Co), 6509993 (Naval Sea Systems Command).
What are the specifications of 6509993?
Key specifications for 6509993: Width Across Flats: 0.062 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.125 INCHES IN; Head Style: HEADLESS (SETSCREW). 14 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-372-3538 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.