5305-00-208-7421

Find complete technical information, availability, and procurement data for: 5305-00-208-7421
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-208-7421

Item Name Code

06673

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

0.516 inches minimum thread length, right-hand thread direction, 2a thread class, thumb no. 5 head style, 0.625 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.516 inches minimum
Fastener Length: 0.625 inches nominal
Head Style: thumb no. 5
Head Height: 0.765 inches nominal
Width Between Flats: 0.682 inches nominal
Point Length: 0.109 inches nominal
Point Diameter: 0.225 inches nominal
Point Style: dog
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Material: steel overall
Surface Treatment: cadmium or zinc overall
Thread Series Designator: unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
0R0ACA1183	Thumbscrew
ACA1183	Thumbscrew

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-208-7421?

The FSCG of the NSN 5305-00-208-7421 is 5305

Does the NSN 5305-00-208-7421 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-208-7421 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-00-208-7421 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-208-7421 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-00-208-7421 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963