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NASM21081-5 Plate Self-Locking Nut

5310-00-728-7708

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Official Item Classification

Name
Plate Self-Locking Nut
Part Number
NASM21081-5
(NSN) National Stock Number
5310-00-728-7708
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
05280
(FIIG) Federal Item Identification Guide
A021A0
Date
01/01/1961 (65 years ago)

0.130 inches minimum and 0.135 inches maximum mounting hole diameter, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 3b thread class, plate nut style

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque with nonmetallic insert

Mounting Hole Diameter

0.130 inches minimum and 0.135 inches maximum

Nut Style

plate

Nut Length

0.937 inches maximum

Nut Height

0.240 inches minimum and 0.375 inches maximum

Plate Thickness

0.075 inches maximum

Nut Mounting Provision

straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

0.495 inches minimum and 0.505 inches maximum

Temp Rating

250.0 fahrenheit nominal

Thread Series

unjf

Thread Quantity Per Inch

24

Hardness Rating

32.0 rockwell c maximum

Nominal Thread Size

0.312 inches

Material

plastic polyamide (nylon) locking insert

Material

steel nut

Surface Treatment

cadmium and chromate nut

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response nut

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

0005280

Related Hardware Products

Part Number Description
F22NA5-054 Plate Self-Locking Nut
MS21081-5 Plate Self-Locking Nut
NASM21081-5 Plate Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-728-7708?
The FSCG of the NSN 5310-00-728-7708 is 5310
Does the NSN 5310-00-728-7708 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-728-7708 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 5310-00-728-7708 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-728-7708 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 5310-00-728-7708 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961