5310-00-124-2121

Find complete technical information, availability, and procurement data for: 5310-00-124-2121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-124-2121

Item Name Code

29732

Assigment Date

12/27/1972 (53 years ago)

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

right-hand thread direction, single ball seat, hexagon nut style, prevailing torque all metal design locking feature, 3b thread class, soluble lubricant lubrication

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 all metal design
Lubrication: soluble lubricant
Nut Style: single ball seat, hexagon
Ball Seat Radius: 0.380 inches nominal
Nut Height: 0.280 inches minimum and 0.290 inches maximum
End Item Identification: aircraft, galaxy c-5,aircraft, stratofortress b-52,aircraft, phantom f-4,f4s aircraft
Width Across Flats: 0.366 inches minimum and 0.376 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall

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
3M347L5	Single Ball Sea Self-Locking Nut
TLN1020L5N	Single Ball Sea Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-124-2121?

The FSCG of the NSN 5310-00-124-2121 is 5310

Does the NSN 5310-00-124-2121 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-124-2121 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 5310-00-124-2121 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-124-2121 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 5310-00-124-2121 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Dec 27, 1972