5305-00-239-7947

Find complete technical information, availability, and procurement data for: 5305-00-239-7947
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-239-7947

Item Name Code

06657

Assigment Date

11/05/1969 (56 years ago)

A catching device of various shapes and cross sections, which permits motion in only one direction. Designed to engage the teeth or notches of a sector, quadrant, ratchet wheel, or the like. Item is so pivoted that the angle of approach to the interdental engagement causes it to rest more firmly as the reverse load is increased. Item may be spring actuated to cause engagement. Excludes:cam (as modified).

0.359 inches minimum and 0.406 inches maximum fastener length, 3a thread class, hexagon head style, right-hand thread direction, 0.233 inches minimum and 0.374 inches maximum thread 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: 3a
Thread Direction: right-hand
Thread Length: 0.233 inches minimum and 0.374 inches maximum
Fastener Length: 0.359 inches minimum and 0.406 inches maximum
Head Style: hexagon
Head Height: 0.080 inches minimum and 0.095 inches maximum
Width Between Flats: 0.241 inches minimum and 0.250 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Screw Material: steel comp 8630 or steel comp 4037
Screw Material Document And Classification: mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
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
10125072	Machine Screw
NAS1096-1-6	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-239-7947?

The FSCG of the NSN 5305-00-239-7947 is 5305

Does the NSN 5305-00-239-7947 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-239-7947 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 5305-00-239-7947 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-239-7947 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 5305-00-239-7947 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Nov 5, 1969