5305-01-388-5179

Find complete technical information, availability, and procurement data for: 5305-01-388-5179
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-388-5179

Item Name Code

06657

Assigment Date

04/01/1994 (32 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

right-hand thread direction, 5.3 millimeters minimum and 5.6 millimeters maximum head diameter, 30.0 millimeters nominal thread length, 30.0 millimeters nominal fastener length, pan no. 2 head style

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 30.0 millimeters nominal
Fastener Length: 30.0 millimeters nominal
Head Style: pan no. 2
Head Diameter: 5.3 millimeters minimum and 5.6 millimeters maximum
Head Height: 1.6 millimeters minimum and 1.8 millimeters maximum
Locking Feature: patch
Internal Drive Style: tri-wing recess
Nominal Thread Diameter: 3.0 millimeters
Thread Pitch In Millimeters: 0.5
External Thread Tolerance Class: 6g
Screw Material: steel corrosion resisting
Locking Feature Material: plastic polyamide (nylon)
Screw Surface Treatment: passivate
Thread Series Designator: m

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
442-511	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-388-5179?

The FSCG of the NSN 5305-01-388-5179 is 5305

Does the NSN 5305-01-388-5179 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-388-5179 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 5305-01-388-5179 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-388-5179 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 5305-01-388-5179 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Apr 1, 1994