5305-00-059-2661

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Machine Screw

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Official Item Classification

Name: Machine Screw
(NSN) National Stock Number: 5305-00-059-2661
(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: 01/01/1961 (65 years ago)

0.312 inches nominal fastener length, right-hand thread direction, double hexagon w/ hole head style, 3a thread class, 0.312 inches minimum thread length

Specs & Compatibility

Thread Class

Thread Direction

right-hand

Thread Length

0.312 inches minimum

Fastener Length

0.312 inches nominal

Head Style

double hexagon w/ hole

Head Height

0.230 inches nominal

Width Between Flats

0.185 inches nominal

Extended Washer Diameter

0.270 inches nominal

Extended Washer Thickness

0.035 inches nominal

Hole Diameter

0.031 inches nominal

Nominal Thread Diameter

0.138 inches

Hole Quantity

Thread Quantity Per Inch

Screw Material

iron alloy 660

Screw Material Document And Classification

ams 5732 assn std single material response

Screw Surface Treatment

passivate

Head Hole Configuration Style

double hexagon longitudinal hole

Thread Series Designator

unc

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
R1050P3L	Machine Screw
R1050PL3	Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-2661?

The FSCG of the NSN 5305-00-059-2661 is 5305

Does the NSN 5305-00-059-2661 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-059-2661 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 5305-00-059-2661 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-059-2661 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 5305-00-059-2661 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961