5306-01-018-7243

Find complete technical information, availability, and procurement data for: 5306-01-018-7243
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-018-7243

Item Name Code

27851

Assigment Date

03/30/1976 (50 years ago)

A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); couplig (as modified); or nipple (as modified). Excludes: tube,bent (as modified); pipe,metallic; spacer sleeve; metal bar (hollow); and items with fitting, except end protectors.

right-hand thread direction, 0.310 inches minimum and 0.377 inches maximum thread length, 4.165 inches minimum and 4.185 inches maximum fastener length, dished hexagon head style, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.310 inches minimum and 0.377 inches maximum
Fastener Length: 4.165 inches minimum and 4.185 inches maximum
Head Style: dished hexagon
Head Height: 0.157 inches minimum and 0.172 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3108 inches minimum and 0.3117 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.312 inches
Grip Length: 3.688 inches minimum and 3.704 inches maximum
Thread Quantity Per Inch: 24
Hardness Rating: 36.0 rockwell c minimum and 41.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 4.050 inches minimum and 4.080 inches maximum first hole
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Special Features: retaining element in. shank
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator: unjf

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
106467-5-59	Close Tolerance Bolt
AS194-5-59	Close Tolerance Bolt
CA4510-5-59	Close Tolerance Bolt
MS27576-5-59	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-018-7243?

The FSCG of the NSN 5306-01-018-7243 is 5306

Does the NSN 5306-01-018-7243 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-018-7243 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 5306-01-018-7243 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-018-7243 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 5306-01-018-7243 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Mar 30, 1976