77643-42X9 PIECE 3

View detailed technical data, stock status, and sourcing information for: 77643-42X9 PIECE 3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-152-4695

Item Name Code

04905

Assigment Date

05/03/1983 (43 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.

2a thread class, right-hand thread direction, round w/wrench flats head style, 0.532 inches nominal thread length, 2.125 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.532 inches nominal
Fastener Length: 2.125 inches nominal
Head Style: round w/wrench flats
Head Diameter: 1.000 inches nominal
Head Height: 0.125 inches nominal
Width Between Flats: 0.812 inches nominal
Shoulder Diameter: 0.497 inches minimum and 0.499 inches maximum first shoulder
Shoulder Length: 1.531 inches nominal first shoulder
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Shoulder Shape: round first shoulder
Part Name Assigned By Controlling Agency: navy special project
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281 cl a fed spec single material response overall
Thread Series Designator: unc

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
77643-42X9 PIECE 3	Shoulder Bolt
SSN637-501-2159964 PIECE 3	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-152-4695?

The FSCG of the NSN 5306-01-152-4695 is 5306

Does the NSN 5306-01-152-4695 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-152-4695 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 5306-01-152-4695 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-152-4695 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 5306-01-152-4695 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, May 3, 1983