NSN 5305-01-640-7645 · NIIN 016407645 · Part number 91251A146
Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 3A054
Government record, cited
NSN 5305-01-640-7645 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-640-7645. Manufacturer of record part number: 91251A146.
Also searched as5305-01-640-7645 ·
5305016407645 ·
NIIN 016407645 ·
01-640-7645 ·
FSC 5305 Screws · CAGE 3A054 · 91251A146
The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-640-7645, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 15 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.
5305-00-001-5016
5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-640-7645?
NSN 5305-01-640-7645 is a Screw,cap,socket Head, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-640-7645?
NSN 5305-01-640-7645 has 2 manufacturer part numbers on file: 91251A146 (Mcmaster-Carr Supply Co), 91251A146 (Mcmaster-Carr Supply Co).
What are the specifications of 91251A146?
Key specifications for 91251A146: Width Across Flats: 0.1094 INCHES NOMINAL IN; Head Height: 0.138 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-640-7645 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.