Screw, Cap, Hexagon Head5305-00-021-6481

NSN 5305-00-021-6481 · NIIN 000216481

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-00-021-6481 · 5305000216481 · NIIN 000216481 · 00-021-6481 · FSC 5305 Screws

Nearby stock numbers ← 5305-00-021-6480 · 5305-00-021-6482 Screw, Cap, Hexagon Head →

5305-00-021-6481 — Screws

Features

Screw,cap,hexagon Head — FSC 5305
Head Height: 0.364 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
Fastener Length: 1.625 INCHES NOMINAL IN
Thread Length: 1.250 INCHES MINIMUM IN
Nominal Thread Diameter: 0.500 INCHES IN
Head Style: HEXAGON
Thread Direction: RIGHT-HAND
Width Between Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN

Identification

NSN: 5305-00-021-6481
NIIN: 000216481
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-021-6481, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-00-021-6481
Item Name	Screw,cap,hexagon Head
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Head Height	0.364 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN
Fastener Length	1.625 INCHES NOMINAL IN
Thread Length	1.250 INCHES MINIMUM IN
Nominal Thread Diameter	0.500 INCHES IN
Head Style	HEXAGON
Thread Direction	RIGHT-HAND
Width Between Flats	0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Class	2A A
Thread Quantity Per Inch	20
Material	STEEL COMP 4140 OVERALL
Thread Series Designator	UNF

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
FFS85TYPE2STYLE10P	4/1 Identification reference U.S. Government activity

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.

5305-00-001-5016

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 5305-00-021-6481?

NSN 5305-00-021-6481 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-00-021-6481?

Key specifications for 5305-00-021-6481: Head Height: 0.364 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN; Fastener Length: 1.625 INCHES NOMINAL IN; Thread Length: 1.250 INCHES MINIMUM IN; Nominal Thread Diameter: 0.500 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5305-00-021-6481 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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