5305-00-271-3433

Find complete technical information, availability, and procurement data for: 5305-00-271-3433
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-271-3433

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.138 inches minimum and 0.188 inches maximum thread length, 2a thread class, flat countersunk undercut head style, right-hand thread direction, 0.156 inches minimum and 0.188 inches maximum 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: 0.138 inches minimum and 0.188 inches maximum
Fastener Length: 0.156 inches minimum and 0.188 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.225 inches minimum and 0.252 inches maximum
Head Height: 0.043 inches minimum and 0.053 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.125 inches
Thread Quantity Per Inch: 40
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 303 or steel comp 303se or steel comp 430 or steel comp 302
Screw Material Document And Classification: mil-s-7720 mil spec 1st material response or mil-s-18732 mil spec 2nd material response or qq-s-763 fed spec 3rd material response or mil-s-7720 mil spec 4th material response
Screw Surface Treatment: passivate
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
AN505C5-3	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-3433?

The FSCG of the NSN 5305-00-271-3433 is 5305

Does the NSN 5305-00-271-3433 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-271-3433 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 5305-00-271-3433 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-271-3433 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 5305-00-271-3433 was assigned to the Federal Catalog?

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