Thumbscrew5305-01-138-6800

NSN 5305-01-138-6800 · NIIN 011386800

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-138-6800 · 5305011386800 · NIIN 011386800 · 01-138-6800 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-138-6304 Screw, Cap, Hexagon Head · 5305-01-138-7001 Screw, Cap, Socket Head →

5305-01-138-6800 — Screws

Features

Thumbscrew — FSC 5305
Point Diameter: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Head Height: 0.062 INCHES NOMINAL IN
Point Length: 0.325 INCHES NOMINAL IN
Fastener Length: 0.625 INCHES NOMINAL IN
Shoulder Length: 0.126 INCHES NOMINAL FIRST SHOULDER IN
Shoulder Diameter: 0.250 INCHES NOMINAL FIRST SHOULDER IN
Thread Length: 0.174 INCHES NOMINAL IN

Identification

NSN: 5305-01-138-6800
NIIN: 011386800
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Thumbscrew, cataloged under National Stock Number 5305-01-138-6800, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5305-01-138-6800
Item Name	Thumbscrew
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Point Diameter	0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Head Height	0.062 INCHES NOMINAL IN
Point Length	0.325 INCHES NOMINAL IN
Fastener Length	0.625 INCHES NOMINAL IN
Shoulder Length	0.126 INCHES NOMINAL FIRST SHOULDER IN
Shoulder Diameter	0.250 INCHES NOMINAL FIRST SHOULDER IN
Thread Length	0.174 INCHES NOMINAL IN
Shoulder Shape	ROUND FIRST SHOULDER
Point Chamfer Angle	30.0 DEGREES NOMINAL
Nominal Thread Diameter	0.112 INCHES IN
Head Style	KNURLED NO. 1
Thread Direction	RIGHT-HAND
Thread Class	3A A
Thread Quantity Per Inch	40
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Head Diameter	0.625 INCHES NOMINAL IN

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
218-08164-205	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 5305-01-138-6800?

NSN 5305-01-138-6800 is a Thumbscrew, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-138-6800?

Key specifications for 5305-01-138-6800: Point Diameter: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Head Height: 0.062 INCHES NOMINAL IN; Point Length: 0.325 INCHES NOMINAL IN; Fastener Length: 0.625 INCHES NOMINAL IN. 17 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-138-6800 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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