5340-01-388-8790

Find complete technical information, availability, and procurement data for: 5340-01-388-8790
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-388-8790

Item Name Code

40280

Assigment Date

04/12/1994 (32 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.

0.710 inches nominal left internal (includes thru thread) thread length, hexagon cross-sectional shape, 0.400 inches nominal length, right-hand left internal (includes thru thread) thread direction, 2b left internal (includes thru thread) thread class

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 left internal (includes thru thread)
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 0.710 inches nominal left internal (includes thru thread)
Length: 0.400 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.210 inches nominal
Thread Quantity Per Inch: 40 left internal (includes thru thread)
Nominal Thread Size: 0.112 inches left internal (includes thru thread)
Right Projection Diameter: 0.147 inches minimum and 0.152 inches maximum
Right Projection Length: 0.310 inches nominal
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 ty 2 fed spec single treatment response overall
Style Designator: projection one end
Thread Series Designator: unc left internal (includes thru thread)

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
11473333	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-388-8790?

The FSCG of the NSN 5340-01-388-8790 is 5340

Does NSN 5340-01-388-8790 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 5340-01-388-8790 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-388-8790 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-388-8790 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Apr 12, 1994