5306-01-508-6788

Find complete technical information, availability, and procurement data for: 5306-01-508-6788
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-508-6788

Item Name Code

15903

Assigment Date

05/29/2003 (23 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, 3a thread class, 0.344 inches nominal thread length, 1.344 inches nominal fastener length, hexagon 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.344 inches nominal
Fastener Length: 1.344 inches nominal
Head Style: hexagon
Head Height: 0.125 inches nominal
Width Between Flats: 0.428 inches minimum and 0.440 inches maximum
Grip Diameter: 0.249 inches nominal
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.000 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Material: steel comp 8740 or steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8735 or steel comp 6150 overall
Material Document And Classification: ams6322 assn std 1st material response or mil-s-6049 mil spec 1st material response or ams6382 assn std 2nd material response or ams6415 assn std 3rd material response or mil-s-5000 mil spec 4th material response or mil-s-6098 mil spec 5th material response or mil-s-8503 mil spec all material responses overall
Surface Treatment: cadmium head
Surface Treatment Document And Classification: qq-p-416, ty ii, cl 2 fed spec single treatment response head
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
NAS464-4-16	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-508-6788?

The FSCG of the NSN 5306-01-508-6788 is 5306

Does the NSN 5306-01-508-6788 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-508-6788 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 5306-01-508-6788 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-508-6788 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 5306-01-508-6788 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Thu, May 29, 2003