TB939

View detailed technical data, stock status, and sourcing information for: TB939
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part TB939 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-564-6706

Item Name Code

10255

Assigment Date

01/01/1961 (65 years ago)

2.312 inches minimum step diameter, 6.250 inches nominal bolt circle diameter, 1.500 inches nominal material thickness, 6.250 inches nominal outside diameter, 1.562 inches minimum and 1.750 inches maximum inside diameter

Product Characteristics

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

Inside Diameter: 1.562 inches minimum and 1.750 inches maximum
Step Diameter: 2.312 inches minimum
Bolt Circle Diameter: 6.250 inches nominal
Outside Diameter: 6.250 inches nominal
Material Thickness: 1.500 inches nominal
Mounting Hole Diameter: 0.125 inches nominal
Mounting Hole Quantity: 6
Mounting Hole Type: plain
End To Flange Distance: 0.719 inches nominal
Center Flange Thickness: 0.750 inches nominal
Special Features: inside diameter on smallest stepped side internally threaded,2.125-12 ns-3b thread; surface treatment: lubrite
Material: steel
Style Designator: round, stepped both sides

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4320-00-910-7021	No Name Available	01/01/1981

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
4046-00003	Dirt and Liquid Deflector
F74PC14	Dirt and Liquid Deflector
TB0939	Dirt and Liquid Deflector
TB38	Dirt and Liquid Deflector
TB939	Dirt and Liquid Deflector

FAQs

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

What is the FSCG of the NSN 4320-00-564-6706?

The FSCG of the NSN 4320-00-564-6706 is 4320

Does the NSN 4320-00-564-6706 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-564-6706 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 4320-00-564-6706 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-564-6706 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 4320-00-564-6706 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961