5305-00-478-0272

Find complete technical information, availability, and procurement data for: 5305-00-478-0272
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-478-0272

Item Name Code

06673

Assigment Date

05/22/1970 (56 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

0.344 inches minimum and 0.406 inches maximum fastener length, 0.282 inches minimum and 0.406 inches maximum thread length, thumb no. 3 head style, right-hand thread direction, 2a thread class

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: 0.282 inches minimum and 0.406 inches maximum
Fastener Length: 0.344 inches minimum and 0.406 inches maximum
Head Style: thumb no. 3
Head Height: 0.453 inches minimum and 0.483 inches maximum
Width Between Flats: 0.395 inches minimum and 0.425 inches maximum
Point Style: flat
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Material: steel comp 302 overall
Material Document And Classification: mil-s-7720 mil spec single material response overall
Surface Treatment: passivate overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas1300 professional/industrial association standard

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
NAS1300C3T6	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-00-478-0272?

The FSCG of the NSN 5305-00-478-0272 is 5305

Does the NSN 5305-00-478-0272 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-478-0272 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 5305-00-478-0272 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-478-0272 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 5305-00-478-0272 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, May 22, 1970