5305-01-535-1389

Find complete technical information, availability, and procurement data for: 5305-01-535-1389
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-535-1389

Item Name Code

18257

Assigment Date

11/16/2005 (20 years ago)

An electrical item with multiple socket contacts which may or may not be interconnected by bussing, to form one or more circuits. Item may be of feedback, feedthrough and/or terminating design and may afford a convenient method of interconnection. It may or may not include a sealing grommet. Sectional blocks are normally retained in a track or channel mounting. Excludes:chamber, cable terminal; contact assembly, electrical; insert, electrical connector; juntion box ; terminal board; and terminal box.

hexagon head style, 0.880 inches nominal thread length, 1.098 inches nominal fastener length, 0.208 inches minimum and 0.230 inches maximum head height, right-hand thread direction

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: 0.880 inches nominal
Fastener Length: 1.098 inches nominal
Head Style: hexagon
Head Height: 0.208 inches minimum and 0.230 inches maximum
Width Between Flats: 0.545 inches nominal
End Item Identification: 6115-01-471-7088
Nominal Thread Diameter: 0.312 inches
Hole Quantity: 1
Thread Quantity Per Inch: 15
Minimum Tensile Strength: 60000 pounds per square inch
Hole Configuration Style: hexagon flats
Part Name Assigned By Controlling Agency: hex washerhead
Material: steel corrosion resisting overall
Material Document And Classification: ansi b18.6.3 national std/spec single material response overall
Surface Treatment: zinc overall
Supplementary Features: mrcs aatc jab0.624 and jac0.676; aatdjab0.035 and jac0.055
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
88-20260-43	Hexagon Head Cap Screw
B18.6.3	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-535-1389?

The FSCG of the NSN 5305-01-535-1389 is 5305

Does the NSN 5305-01-535-1389 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-535-1389 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 5305-01-535-1389 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-535-1389 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 5305-01-535-1389 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Wed, Nov 16, 2005