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5310-00-840-3278

Hexagon Plain Nut

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Official Item Classification

Name
Hexagon Plain Nut
(NSN) National Stock Number
5310-00-840-3278
(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
01/01/1962 (64 years ago)

hexagon nut style, 2b thread class, 2.375 inches nominal width across flats, 0.500 inches nominal nut height, right-hand thread direction

Specs & Compatibility

Thread Class

2b

Thread Direction

right-hand

Nut Style

hexagon

Nut Height

0.500 inches nominal

Width Across Flats

2.375 inches nominal

Thread Series

un

Thread Quantity Per Inch

12

Nominal Thread Size

0.750 inches

Criticality Code Justification

zzzy

Bearing Surface Type

flat

Material

copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 overall

Material Document And Classification

qq-b-637 fed spec all material responses overall

Reference Number Differentiating Characteristics

cleaning, packaging, and marking iaw mil-std-1330d

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

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.

Source of Supply Code

N35

Pseudo Item Name Code

0001857

Related Hardware Products

Part Number Description
3220858 Hexagon Plain Nut
44156A Hexagon Plain Nut
H3-585-05-0020 Hexagon Plain Nut
H3-585-05-0020CP Hexagon Plain Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-840-3278?
The FSCG of the NSN 5310-00-840-3278 is 5310
Does the NSN 5310-00-840-3278 have a Schedule B code assigned?
Yes, the Schedule B code is 7415290000
Does NSN 5310-00-840-3278 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 5310-00-840-3278 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-840-3278 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 5310-00-840-3278 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962