5306-00-947-3551

Find complete technical information, availability, and procurement data for: 5306-00-947-3551
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-947-3551

Item Name Code

27851

Assigment Date

03/25/1966 (60 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

0.910 inches minimum and 0.940 inches maximum fastener length, undercut hexagon head style, 3a thread class, 0.400 inches minimum and 0.450 inches maximum thread length, 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.400 inches minimum and 0.450 inches maximum
Fastener Length: 0.910 inches minimum and 0.940 inches maximum
Head Style: undercut hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.490 inches minimum and 0.510 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 140000 pounds per square inch
Surface Finish: 63.0 microinches bearing surface of head
Special Features: strip type element in threads for locking feature
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1224 professional/industrial association standard

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
NAS1224C8L	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-947-3551?

The FSCG of the NSN 5306-00-947-3551 is 5306

Does the NSN 5306-00-947-3551 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-947-3551 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 5306-00-947-3551 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-947-3551 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 5306-00-947-3551 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Mar 25, 1966