5305-00-059-4905

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Machine Screw

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Official Item Classification

Name: Machine Screw
(NSN) National Stock Number: 5305-00-059-4905
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5305 Screws
(INC) Item Name Code: 06657
(FIIG) Federal Item Identification Guide: A500D0
Date: 01/01/1963 (63 years ago)

2a thread class, right-hand thread direction, flat countersunk head style, 0.437 inches nominal fastener length, 0.437 inches nominal thread length

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

0.437 inches nominal

Fastener Length

0.437 inches nominal

Head Style

flat countersunk

Head Diameter

0.207 inches minimum and 0.225 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.112 inches

Thread Quantity Per Inch

Countersink Angle

80.0 degrees minimum and 82.0 degrees maximum

Screw Material

steel

Screw Surface Treatment

cadmium and chromate or zinc and chromate

Thread Series Designator

unc

Nondefinitive Spec/Std Data

3 type and 2c style

Regulatory Compliance

Precious Metals Indicator

Precious metal content is unknown

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

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

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number	Description
MS35192-15	Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-4905?

The FSCG of the NSN 5305-00-059-4905 is 5305

Does the NSN 5305-00-059-4905 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-059-4905 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 5305-00-059-4905 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-059-4905 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 5305-00-059-4905 was assigned to the Federal Catalog?

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