5305-00-485-4771

Find complete technical information, availability, and procurement data for: 5305-00-485-4771
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-485-4771

Item Name Code

77777

Assigment Date

06/19/1974 (52 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

steel grade 4140 or 8640 astm a322 or a331,rockwell hardended rc33 to rc38,zinc plated astm a164,22.38 in. lg,stepped 1st end,1st step thd 1.125-4 acme 2g rh 4.750 in. lg,1st end 2nd step 0.875 in. nom dia 0.328 in. lg,major dia unthd 1.375 in. dia 7.719 in. lg 2nd end 1st step hex head drive 1.500 in. lg 0.868 in. w neck 3.500 in. lg 2nd end 2nd step thd 1.375-4 acme 2g lh 5.750 in. lg 2nd end 3rd step 1.000 in. nom dia 0.328 in. lg general characteristics item description

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

General Characteristics Item Description: steel grade 4140 or 8640 astm a322 or a331,rockwell hardended rc33 to rc38,zinc plated astm a164,22.38 in. lg,stepped 1st end,1st step thd 1.125-4 acme 2g rh 4.750 in. lg,1st end 2nd step 0.875 in. nom dia 0.328 in. lg,major dia unthd 1.375 in. dia 7.719 in. lg 2nd end 1st step hex head drive 1.500 in. lg 0.868 in. w neck 3.500 in. lg 2nd end 2nd step thd 1.375-4 acme 2g lh 5.750 in. lg 2nd end 3rd step 1.000 in. nom dia 0.328 in. lg

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
13218E4369	Pin Drive Screw

FAQs

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

What is the FSCG of the NSN 5305-00-485-4771?

The FSCG of the NSN 5305-00-485-4771 is 5305

Does the NSN 5305-00-485-4771 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-485-4771 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 5305-00-485-4771 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-485-4771 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 5305-00-485-4771 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, Jun 19, 1974