123SMM50044-11

View detailed technical data, stock status, and sourcing information for: 123SMM50044-11
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-263-1130

Item Name Code

06675

Assigment Date

09/09/1987 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 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 designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.526 inches nominal thread length, 1.906 inches nominal fastener length, hexagon head style, 3a thread class, 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: 0.526 inches nominal
Fastener Length: 1.906 inches nominal
Head Style: hexagon
Width Between Flats: 0.510 inches nominal
First Diameter From Head: 0.172 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 1.500 inches nominal
Point Style: flat
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Externally Relieved Body Diameter Quantity: 1
Part Name Assigned By Controlling Agency: navy special project
Material: steel 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
123SMM50044-11	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-263-1130?

The FSCG of the NSN 5306-01-263-1130 is 5306

Does the NSN 5306-01-263-1130 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-263-1130 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 5306-01-263-1130 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-263-1130 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 5306-01-263-1130 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Sep 9, 1987