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5310-01-271-5947

Hexagon Plain Nut

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Official Item Classification

Name
Hexagon Plain Nut
(NSN) National Stock Number
5310-01-271-5947
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01857
(FIIG) Federal Item Identification Guide
A021A0
Date
01/28/1988 (38 years ago)

right-hand thread direction, 0.750 inches nominal nut height, hexagon nut style, 0.521 inches minimum and 0.551 inches maximum nut counterbore diameter, 3b thread class

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Counterbore Diameter

0.521 inches minimum and 0.551 inches maximum nut

Nut Style

hexagon

Nut Height

0.750 inches nominal

Width Across Flats

0.750 inches nominal

Temp Rating

1000.0 fahrenheit maximum

Thread Series

unjf

Thread Quantity Per Inch

20

Hardness Rating

35.0 rockwell c maximum

Nominal Thread Size

0.500 inches

Countersink Angle

89.0 degrees minimum and 91.0 degrees maximum nut

Bearing Surface Type

chamfered

Material

steel comp 416 overall

Material Document And Classification

ams 5610 assn std single material response overall

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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

0001857

Related Hardware Products

Part Number Description
74D111355-2029 Hexagon Plain Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-271-5947?
The FSCG of the NSN 5310-01-271-5947 is 5310
Does the NSN 5310-01-271-5947 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-271-5947 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 5310-01-271-5947 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-271-5947 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 5310-01-271-5947 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Thu, Jan 28, 1988