NSN 5305-01-640-7641 · NIIN 016407641 · Part number 90251A252
Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 3A054
Government record, cited
NSN 5305-01-640-7641 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-640-7641. Manufacturer of record part number: 90251A252.
Also searched as5305-01-640-7641 ·
5305016407641 ·
NIIN 016407641 ·
01-640-7641 ·
FSC 5305 Screws · CAGE 3A054 · 90251A252
Nearby stock numbers← 5305-01-640-7491 Screw, Cap, Socket Head
·
5305-01-640-7645 Screw, Cap, Socket Head →
5305-01-640-7641 — Screws
Features
Setscrew — FSC 5305
Width Across Flats: 0.938 INCHES NOMINAL IN
Fastener Length: 0.25 INCHES NOMINAL IN
Nominal Thread Diameter: 0.1900 INCHES IN
Head Style: HEADLESS (SETSCREW)
Thread Direction: RIGHT-HAND
Point Style: CUP
Internal Drive Style: HEXAGON
Identification
NSN: 5305-01-640-7641
NIIN: 016407641
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 90251A252
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Setscrew, cataloged under National Stock Number 5305-01-640-7641, 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 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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Frequently Asked Questions
What is NSN 5305-01-640-7641?
NSN 5305-01-640-7641 is a Setscrew, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-640-7641?
NSN 5305-01-640-7641 has 1 manufacturer part number on file: 90251A252 (Mcmaster-Carr Supply Co).
What are the specifications of 90251A252?
Key specifications for 90251A252: Width Across Flats: 0.938 INCHES NOMINAL IN; Fastener Length: 0.25 INCHES NOMINAL IN; Nominal Thread Diameter: 0.1900 INCHES IN; Head Style: HEADLESS (SETSCREW). 12 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-640-7641 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.