5305-01-318-9182

Find complete technical information, availability, and procurement data for: 5305-01-318-9182
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-318-9182

Item Name Code

18257

Assigment Date

04/27/1990 (36 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

0.850 inches minimum and 0.880 inches maximum fastener length, 0.880 inches maximum thread length, hexagon head style, right-hand thread direction, 2a thread class

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.880 inches maximum
Fastener Length: 0.850 inches minimum and 0.880 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 36.0 rockwell c maximum overall
Material: steel uns k04100 overall
Material Document And Classification: astm a354 gr bd gr 8 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unf

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
B1821AH025F088N	Hexagon Head Cap Screw
PMS90727001-07	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-318-9182?

The FSCG of the NSN 5305-01-318-9182 is 5305

Does the NSN 5305-01-318-9182 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-318-9182 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 5305-01-318-9182 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-318-9182 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 5305-01-318-9182 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Fri, Apr 27, 1990