Setscrew5305-01-628-2301

NSN 5305-01-628-2301 · NIIN 016282301 · Part number 90251A146

Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 3A054

Government record, cited

NSN 5305-01-628-2301 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-628-2301. Manufacturer of record part number: 90251A146.

Also searched as 5305-01-628-2301 · 5305016282301 · NIIN 016282301 · 01-628-2301 · FSC 5305 Screws · CAGE 3A054 · 90251A146

Nearby stock numbers ← 5305-01-628-2291 Screw, Shoulder · 5305-01-628-2311 Setscrew →

5305-01-628-2301 — Screws

Features

Setscrew — FSC 5305
Width Across Flats: 0.0625 INCHES NOMINAL IN
Fastener Length: 0.375 INCHES NOMINAL IN
Nominal Thread Diameter: 0.138 INCHES IN
Head Style: HEADLESS (SETSCREW)
Thread Direction: RIGHT-HAND
Point Style: POINTLESS
Internal Drive Style: HEXAGON

Identification

NSN: 5305-01-628-2301
NIIN: 016282301
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 90251A146
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Setscrew, cataloged under National Stock Number 5305-01-628-2301, 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 11 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.

Technical Specifications

Parameter	Value
NSN	5305-01-628-2301
Primary Part Number	90251A146
Item Name	Setscrew
FSC / FSG	5305 / 53 — Screws
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Width Across Flats	0.0625 INCHES NOMINAL IN
Fastener Length	0.375 INCHES NOMINAL IN
Nominal Thread Diameter	0.138 INCHES IN
Head Style	HEADLESS (SETSCREW)
Thread Direction	RIGHT-HAND
Point Style	POINTLESS
Internal Drive Style	HEXAGON
Thread Class	2A A
Thread Quantity Per Inch	32
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
90251A146 PRIMARY	Mcmaster-Carr Supply Co (USA)

No interchangeability data on file.

Other items in FSC 5305 — Screws

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 5305-01-628-2301?

NSN 5305-01-628-2301 is a Setscrew, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-628-2301?

NSN 5305-01-628-2301 has 1 manufacturer part number on file: 90251A146 (Mcmaster-Carr Supply Co).

What are the specifications of 90251A146?

Key specifications for 90251A146: Width Across Flats: 0.0625 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 INCHES IN; Head Style: HEADLESS (SETSCREW). 11 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-628-2301 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.

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