NAS1831C5D13

View detailed technical data, stock status, and sourcing information for: NAS1831C5D13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-506-7179

Item Name Code

40280

Assigment Date

04/08/2003 (23 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3b left internal (includes thru thread) thread class, right-hand right internal thread direction, left-hand left internal (includes thru thread) thread direction, 0.375 inches nominal left internal (includes thru thread) thread length, 3b right internal 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: 3b left internal (includes thru thread)
Thread Class: 3b right internal
Thread Direction: left-hand left internal (includes thru thread)
Thread Direction: right-hand right internal
Thread Length: 0.375 inches nominal left internal (includes thru thread)
Thread Length: 0.375 inches nominal right internal
Length: 0.808 inches minimum and 0.818 inches maximum
Cross-Sectional Length: 0.808 inches minimum and 0.818 inches maximum
End Item Identification: wld-1 (v)
Cross-Sectional Shape: hexagon
Width Across Flats: 0.307 inches minimum and 0.319 inches maximum
Thread Quantity Per Inch: 32 left internal (includes thru thread)
Thread Quantity Per Inch: 32 right internal
Nominal Thread Size: 0.164 inches left internal (includes thru thread)
Nominal Thread Size: 0.164 inches right internal
Special Features: threads are countersunk for thread relief, per mil-s-7742, class 2b (unc or unf)
Material: steel comp 303 or steel comp 303se overall
Material Document And Classification: astm a582, condition a assn std 2nd material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35, type 2, class 2 fed spec 1st treatment response overall
Style Designator: left internal and right internal threads
Thread Series Designator: unf left internal (includes thru thread)
Thread Series Designator: unf right internal

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
NAS1831C5D13	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-506-7179?

The FSCG of the NSN 5340-01-506-7179 is 5340

Does NSN 5340-01-506-7179 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 5340-01-506-7179 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-506-7179 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 5340-01-506-7179 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Tue, Apr 8, 2003