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90-116 Extended Washer Self-Locking Nut

5310-01-725-7708

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Official Item Classification

Name
Extended Washer Self-Locking Nut
Part Number
90-116
(NSN) National Stock Number
5310-01-725-7708
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
36744
(FIIG) Federal Item Identification Guide
A021A0
Date
01/17/2025 (1 year ago)

1.210 inches maximum overall height, right-hand thread direction, 1.580 inches minimum washer outside diameter, prevailing torque all nonmetallic design locking feature, 3b thread class

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all nonmetallic design

Washer Outside Diameter

1.580 inches minimum

Overall Height

1.210 inches maximum

Nut Style

spline drive

Drive Point Quantity

38

Washer Thickness

0.170 inches minimum

End Item Identification

v-22

Thread Series

unjf

Thread Quantity Per Inch

18

Nominal Thread Size

1.00 inches

Part Name Assigned By Controlling Agency

nut,spline,drive,self-locking,castelated,a286, 450f and 1200f 180 ksi ftu

Material

iron alloy 660 overall

Material Document And Classification

ams5732 or 5737 national std/spec single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

ams 2700,method 1,class 4 national std/spec single treatment 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

0036744

Related Hardware Products

Part Number Description
90-116 Extended Washer Self-Locking Nut
90-116-16L Extended Washer Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-725-7708?
The FSCG of the NSN 5310-01-725-7708 is 5310
Does the NSN 5310-01-725-7708 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-725-7708 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 5310-01-725-7708 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-725-7708 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 5310-01-725-7708 was assigned to the Federal Catalog?
It was assigned 1 year ago, on Fri, Jan 17, 2025