1920472

View detailed technical data, stock status, and sourcing information for: 1920472
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-741-2139

Item Name Code

01861

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

2b thread class, right-hand thread direction, 0.270 inches nominal pilot diameter, 0.085 inches nominal pilot length, spline nut style

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Pilot Diameter: 0.270 inches nominal
Pilot Length: 0.085 inches nominal
Nut Style: spline
Nut Diameter: 0.375 inches nominal
Nut Height: 0.319 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.164 inches
Material: steel overall
Surface Treatment: cadmium overall

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
1920472	Spline Plain Nut
7412139	Spline Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-741-2139?

The FSCG of the NSN 5310-00-741-2139 is 5310

Does the NSN 5310-00-741-2139 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-741-2139 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 5310-00-741-2139 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-741-2139 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 5310-00-741-2139 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963