4730-00-979-3771

Find complete technical information, availability, and procurement data for: 4730-00-979-3771
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

National Stock Number

4730-00-979-3771

Item Name Code

18683

Assigment Date

01/01/1962 (64 years ago)

0.560 inches nominal concentric hole depth, 3a second end thread class, 0.990 inches nominal overall length, 0.062 inches minimum and 0.064 inches maximum concentric hole diameter, 0.420 inches nominal extended washer diameter

Product Characteristics

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

Extended Washer Diameter: 0.420 inches nominal
Concentric Hole Depth: 0.560 inches nominal
Concentric Hole Diameter: 0.062 inches minimum and 0.064 inches maximum
Overall Length: 0.990 inches nominal
Second End Thread Class: 3a
Second End Thread Direction: right-hand
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Wrenching Feature Style: extended washer
First Diameter From Wrenching Feature: 0.240 inches minimum and 0.250 inches maximum
Second Diameter From Wrenching Feature: 0.160 inches nominal
Third Diameter From Wrenching Feature: 0.247 inches minimum and 0.248 inches maximum
Length From Bearing Surface Of Wrenching Feature To End Of First Diameter: 0.090 inches minimum and 0.100 inches maximum
Length From Bearing Surface Of Wrenching Feature To End Of Second Diameter: 0.710 inches nominal
Length From Bearing Surface Of Wrenching Feature To End Of Third Diameter: 0.810 inches nominal
First Radial Fluid Hole Diameter: 0.022 inches minimum and 0.027 inches maximum
Second Radial Fluid Hole Diameter: 0.022 inches minimum and 0.027 inches maximum
Distance From First Radial Hole Center To End Of Bolt: 0.510 inches nominal
Distance From Second Radial Hole Center To End Of Bolt: 0.450 inches nominal
Length From Bearing Surface Of Wrenching Feature To Bolt End: 0.810 inches nominal
Wrenching Feature Height: 0.180 inches nominal
Hardness Rating: 18.0 rockwell c minimum and 26.0 rockwell c maximum
Second End Thread Quantity Per Inch: 24
Second End Nominal Thread Size: 0.3125 inches
Second End Thread Series Designator: unf
Material: steel corrosion resisting
Material Document And Classification: ams5613 assn std single material response

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
1-110-114-01	Fluid Passage Bolt

FAQs

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

What is the FSCG of the NSN 4730-00-979-3771?

The FSCG of the NSN 4730-00-979-3771 is 4730

Does the NSN 4730-00-979-3771 have a Schedule B code assigned?

Yes, the Schedule B code is 7307290000

Does NSN 4730-00-979-3771 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 4730-00-979-3771 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-979-3771 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 4730-00-979-3771 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962