52E2120-126

View detailed technical data, stock status, and sourcing information for: 52E2120-126
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-333-7350

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

hexagon nut style, 0.656 inches nominal nut height, right-hand thread direction, 3b thread class, prevailing torque with nonmetallic insert locking feature

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.656 inches nominal
Width Across Flats: 1.053 inches minimum and 1.065 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.750 inches
Bearing Surface Type: chamfered
Material: plastic polyhexamethylene amide or plastic polycaprolactam locking insert
Material: steel comp 1137 nut
Material Document And Classification: ams 5024 assn std single material response nut
Material Document And Classification: mil-m-20693 mil spec all material responses locking insert
Surface Treatment: cadmium overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-741-9795	No Name Available	11/08/1972

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
455198	Hexagon Self-Locking Nut
516SPN	Hexagon Self-Locking Nut
52E2120-126	Hexagon Self-Locking Nut
7982725	Hexagon Self-Locking Nut
EX224	Hexagon Self-Locking Nut
EX225	Hexagon Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-333-7350?

The FSCG of the NSN 5310-00-333-7350 is 5310

Does the NSN 5310-00-333-7350 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-333-7350 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 5310-00-333-7350 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-333-7350 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 5310-00-333-7350 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963