Thumbscrew5305-01-218-4908

NSN 5305-01-218-4908 · NIIN 012184908

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-218-4908 · 5305012184908 · NIIN 012184908 · 01-218-4908 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-218-4906 · 5305-01-218-4909 Screw, Cap, Socket Head →

5305-01-218-4908 — Screws

Features

Thumbscrew — FSC 5305
Head Height: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
Fastener Length: 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN
Thread Length: 0.554 INCHES MINIMUM AND 0.586 INCHES MAXIMUM IN
Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES AND QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
Nominal Thread Diameter: 0.312 INCHES IN
Thread Direction: RIGHT-HAND
Point Style: CONE

Identification

NSN: 5305-01-218-4908
NIIN: 012184908
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Thumbscrew, cataloged under National Stock Number 5305-01-218-4908, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5305-01-218-4908
Item Name	Thumbscrew
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Head Height	0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
Fastener Length	1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN
Thread Length	0.554 INCHES MINIMUM AND 0.586 INCHES MAXIMUM IN
Material Document and Classification	QQ-S-763 FED SPEC ALL MATERIAL RESPONSES AND QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
Nominal Thread Diameter	0.312 INCHES IN
Thread Direction	RIGHT-HAND
Point Style	CONE
Width Between Flats	1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
Thread Class	2A A
Thread Quantity Per Inch	18
Material	STEEL COMP 302 AND STEEL COMP 304 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

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

Reference documents

Reference	Meaning
SM-C-950198	3/2 Design control — primary 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 5305-01-218-4908?

NSN 5305-01-218-4908 is a Thumbscrew, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-218-4908?

Key specifications for 5305-01-218-4908: Head Height: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN; Fastener Length: 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM IN; Thread Length: 0.554 INCHES MINIMUM AND 0.586 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES AND QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-218-4908 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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