5306-01-277-2155

Find complete technical information, availability, and procurement data for: 5306-01-277-2155
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-277-2155

Item Name Code

27851

Assigment Date

04/19/1988 (38 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.)

34.0 millimeters nominal thread length, right-hand thread direction, 44.0 millimeters nominal fastener length, 12.78 millimeters minimum and 13.22 millimeters maximum head height, 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 Direction: right-hand
Thread Length: 34.0 millimeters nominal
Fastener Length: 44.0 millimeters nominal
Head Style: hexagon
Head Height: 12.78 millimeters minimum and 13.22 millimeters maximum
Width Between Flats: 29.67 millimeters minimum and 30.00 millimeters maximum
Grip Diameter: 19.98 millimeters minimum and 20.00 millimeters maximum
Nominal Thread Diameter: 20.0 millimeters
Grip Length: 10.0 millimeters nominal
Features Provided: finished head
Thread Pitch In Millimeters: 1.5
External Thread Tolerance Class: 4h
Part Name Assigned By Controlling Agency: navy special project
Material: iron alloy 660 overall
Material Document And Classification: ams 5734 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: m

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
74597-M2015-10	Close Tolerance Bolt
BACB30SX20-10	Close Tolerance Bolt
VS3078-12-10	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-277-2155?

The FSCG of the NSN 5306-01-277-2155 is 5306

Does the NSN 5306-01-277-2155 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-277-2155 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 5306-01-277-2155 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-277-2155 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 5306-01-277-2155 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Apr 19, 1988