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5310-01-166-6672

Double Hexagon Self-Locking Nut

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Official Item Classification

Name
Double Hexagon Self-Locking Nut
(NSN) National Stock Number
5310-01-166-6672
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
05276
(FIIG) Federal Item Identification Guide
A021A0
Date
11/16/1983 (42 years ago)

right-hand thread direction, double hexagon nut style, 3b thread class, dry film lubricant lubrication, prevailing torque all metal design locking feature

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Lubrication

dry film lubricant

Nut Style

double hexagon

Nut Height

0.662 inches maximum

Width Across Flats

1.052 inches minimum and 1.064 inches maximum

Temp Rating

450.0 fahrenheit nominal

Thread Series

unf

Thread Quantity Per Inch

16

Nominal Thread Size

0.750 inches

Countersink Angle

90.0 degrees nominal first end

Bearing Surface Type

washer faced

Material

iron alloy 660 overall

Material Document And Classification

ams 5732 assn std single material response or ams 5737 assn std single material response overall

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

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

0005276

Related Hardware Products

Part Number Description
LD114-0017-0012 Double Hexagon Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-166-6672?
The FSCG of the NSN 5310-01-166-6672 is 5310
Does the NSN 5310-01-166-6672 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-166-6672 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 5310-01-166-6672 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-166-6672 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 5310-01-166-6672 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Wed, Nov 16, 1983