Screw, Cap, Hexagon Head5305-01-345-6930

NSN 5305-01-345-6930 · NIIN 013456930 · Part number 91257A630

Mcmaster-Carr Supply Co · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 39428

Government record, cited

NSN 5305-01-345-6930 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-345-6930. Manufacturer of record part number: 91257A630.

Also searched as 5305-01-345-6930 · 5305013456930 · NIIN 013456930 · 01-345-6930 · FSC 5305 Screws · CAGE 39428 · 91257A630

Nearby stock numbers ← 5305-01-345-6929 Screw, Machine · 5305-01-345-7130 Screw, Instrument →

5305-01-345-6930 — Screws

Features

Screw,cap,hexagon Head — FSC 5305
Head Height: 0.234375 INCHES NOMINAL IN
Fastener Length: 1.075 INCHES NOMINAL IN
Thread Length: 0.312 INCHES NOMINAL IN
Nominal Thread Diameter: 0.375 INCHES IN
Head Style: HEXAGON
Thread Direction: RIGHT-HAND
Width Between Flats: 0.562 INCHES NOMINAL IN

Identification

NSN: 5305-01-345-6930
NIIN: 013456930
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 91257A630
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-345-6930, 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 10 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	5305-01-345-6930
Primary Part Number	91257A630
Item Name	Screw,cap,hexagon Head
FSC / FSG	5305 / 53 — Screws
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Head Height	0.234375 INCHES NOMINAL IN
Fastener Length	1.075 INCHES NOMINAL IN
Thread Length	0.312 INCHES NOMINAL IN
Nominal Thread Diameter	0.375 INCHES IN
Head Style	HEXAGON
Thread Direction	RIGHT-HAND
Width Between Flats	0.562 INCHES NOMINAL IN
Thread Quantity Per Inch	16
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
91257A630 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 5305-01-345-6930?

NSN 5305-01-345-6930 is a Screw,cap,hexagon Head, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-345-6930?

NSN 5305-01-345-6930 has 1 manufacturer part number on file: 91257A630 (Mcmaster-Carr Supply Co).

What are the specifications of 91257A630?

Key specifications for 91257A630: Head Height: 0.234375 INCHES NOMINAL IN; Fastener Length: 1.075 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-345-6930 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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