5306-01-178-0187

Find complete technical information, availability, and procurement data for: 5306-01-178-0187
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-178-0187

Item Name Code

04905

Assigment Date

05/01/1984 (42 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes:thumbscrew.

2.100 inches minimum and 2.120 inches maximum fastener length, 0.316 inches minimum and 0.329 inches maximum thread length, double hexagon w/hole head style, right-hand thread direction, 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: 0.316 inches minimum and 0.329 inches maximum
Fastener Length: 2.100 inches minimum and 2.120 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.328 inches minimum and 0.348 inches maximum
Width Between Flats: 0.375 inches nominal
Extended Washer Diameter: 0.490 inches minimum and 0.510 inches maximum
Extended Washer Thickness: 0.070 inches minimum and 0.080 inches maximum
Shoulder Diameter: 0.311 inches minimum and 0.320 inches maximum first shoulder
Shoulder Length: 1.720 inches minimum and 1.730 inches maximum first shoulder
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Shoulder Shape: round first shoulder
Material: steel corrosion resisting overall
Material Document And Classification: ams 5732 assn std single material 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
5051M52P01	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-178-0187?

The FSCG of the NSN 5306-01-178-0187 is 5306

Does the NSN 5306-01-178-0187 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-178-0187 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 5306-01-178-0187 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-178-0187 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 5306-01-178-0187 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, May 1, 1984