5305-01-666-7553

Find complete technical information, availability, and procurement data for: 5305-01-666-7553
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-666-7553

Item Name Code

29294

Assigment Date

09/19/2017 (8 years ago)

An item consisting of an electrically conductive material designed to furnish a surface which will physically and electrically meet another conducting surface for the purpose of transferring electrical energy and/or opening and closing circuits. Includes moving contacts which make and/or slide over stationary contacts or other stationary conductive material to a resulting fixed position. Excludes:items which are used in conjunction with continually moving surfaces or which make contact by gripping action of the contact surfaces. See also clip, electrical; clamp, electrical; brush, electrical contact; plug, tip; and jack, tip.

3a thread class, pan head style, right-hand thread direction, 0.965 inches nominal fastener length, 0.403 inches nominal 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: 0.403 inches nominal
Fastener Length: 0.965 inches nominal
Head Style: pan
Head Diameter: 0.477 inches minimum and 0.492 inches maximum
Head Height: 0.140 inches minimum and 0.150 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.562 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Material: steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or ams 6415 assn std 2nd material response or mil-s-5000 mil spec 3rd material response or mil-s-6049 mil spec 4th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416, type ii, class 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1578 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
NAS1578A4H9	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-666-7553?

The FSCG of the NSN 5305-01-666-7553 is 5305

Does the NSN 5305-01-666-7553 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-666-7553 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 5305-01-666-7553 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-666-7553 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 5305-01-666-7553 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Tue, Sep 19, 2017