C393-4-6-3

View detailed technical data, stock status, and sourcing information for: C393-4-6-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-973-9125

Item Name Code

18485

Assigment Date

09/30/1966 (59 years ago)

A threaded or tempered item used to secure the stud, turnlock fastener or stud assembly, turnlock fastener by engaging with the cross pin, cam lead threads, or eared nut of the stud, turnlock fastener and securing it by means of its thread locking or spring action.

plain w/mounting hole mounting style, 1.012 inches maximum receptacle overall length, receptacle turnlock receptacle style, 0.457 inches nominal receptacle height, 0.750 inches nominal center to center distance between mounting holes

Product Characteristics

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

Center To Center Distance Between Mounting Holes: 0.750 inches nominal
Mounting Style: plain w/mounting hole
Turnlock Receptacle Style: receptacle
Receptacle Overall Length: 1.012 inches maximum
Receptacle Height: 0.457 inches nominal
Receptacle Width: 0.410 inches maximum
Receptacle Thread Size And Series/Type Designator: 0.164-32 unjc
Turnlock Mounting Hole Diameter: 0.098 inches nominal
Special Features: stud protrudes 0.187 in.
Material: steel comp 1050 retainer
Material: steel comp 8740 barrel
Material: steel comp 8740 stud
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec all treatment responses 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
C393-4-6-3	Turnlock Fastener Receptacle
PAF50-4-6-3	Turnlock Fastener Receptacle

FAQs

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

What is the FSCG of the NSN 5325-00-973-9125?

The FSCG of the NSN 5325-00-973-9125 is 5325

Does NSN 5325-00-973-9125 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 5325-00-973-9125 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-973-9125 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 5325-00-973-9125 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Sep 30, 1966