31078R1

View detailed technical data, stock status, and sourcing information for: 31078R1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-512-1663

Item Name Code

01847

Assigment Date

08/25/2003 (22 years ago)

A fuse in which the element is inclosed in a cylindrical body. The element may be renewable. The terminals may be of varying types. It may contain a visual indication that the fusible element is severed, and may also provide an audible alarm through auxiliary circuitry. For noncylindrical items, see fuse, inclosed link.

15.4 millimeters nominal head height, 135.0 millimeters nominal fastener length, 120.0 millimeters nominal thread length, hexagon extended washer head style, 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 Direction: right-hand
Thread Length: 120.0 millimeters nominal
Fastener Length: 135.0 millimeters nominal
Head Style: hexagon extended washer
Head Height: 15.4 millimeters nominal
Extended Washer Diameter: 35.0 millimeters maximum
Extended Washer Thickness: 2.4 millimeters minimum
End Item Identification: mrap - common nsn - used on 3 mrap variants and 2 other weapon systems.
Nominal Thread Diameter: 16.0 millimeters
Thread Pitch In Millimeters: 2.0
Part Name Assigned By Controlling Agency: bolt, m16 x 120 phc cl 10.9 fl
Material: steel property class 10.9 overall
Material Document And Classification: international organization for standardization: iso 68, 261, 262, 888, 898/1. 965/1 american national standard: ansi b-18.2.3.9m - 2001 (heavy hex dimensions) national std/spec all material responses overall
Surface Treatment: phosphate overall
Thread Series Designator: m

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-01-556-5553	No Name Available	01/01/2008

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
31078R1	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-512-1663?

The FSCG of the NSN 5306-01-512-1663 is 5306

Does the NSN 5306-01-512-1663 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-512-1663 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 5306-01-512-1663 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-512-1663 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 5306-01-512-1663 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Mon, Aug 25, 2003