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72-6971-320 Round Plain Nut

5310-00-185-6375

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Official Item Classification

Name
Round Plain Nut
Part Number
72-6971-320
(NSN) National Stock Number
5310-00-185-6375
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15887
(FIIG) Federal Item Identification Guide
A021A0
Date
01/01/1961 (65 years ago)

+3.8639 to 3.8713 inches thread pitch diameters, round nut style, 0.1563 inches nominal drive point depth, 5.1875 inches nominal nut diameter, right-hand thread direction

Specs & Compatibility

Thread Pitch Diameters

+3.8639 to 3.8713 inches

Thread Direction

right-hand

Drive Point Depth

0.1563 inches nominal

Nut Style

round

Nut Diameter

5.1875 inches nominal

Nut Thickness

0.750 inches nominal

Drive Point Width

0.375 inches nominal

Drive Point Quantity

4

Thread Series

uns

Thread Quantity Per Inch

12

Hardness Rating

66.0 rockwell b minimum and 92.0 rockwell b maximum

Nominal Thread Size

3.918 inches

Material

steel comp 1005 overall

Nondefinitive Spec/Std Data

1 type and 1 class

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0015887

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-185-6375?
The FSCG of the NSN 5310-00-185-6375 is 5310
Does the NSN 5310-00-185-6375 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-185-6375 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 5310-00-185-6375 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-185-6375 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 5310-00-185-6375 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961