B-1399-A

View detailed technical data, stock status, and sourcing information for: B-1399-A
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2520 Vehicular Power Transmission Components

National Stock Number

2520-01-239-1175

Item Name Code

77777

Assigment Date

08/26/1986 (39 years ago)

steel aisi c1117; casehardened; 1.375 in. o/a lg; 1.166 in. min 1.176 in. max inside lg; 1.340 in. min 1.350 in. max step od; 1.3726 in. min 1.3730 in. max sleeve od; 1.0625 sleeve id general characteristics item description, pressure rate control piston functional description, similar to nsn 2520-00-902-1917 p/n b1399 relationship to similar equipment, twin disc hydraulic transmission model tdc-20-2800 end item identification

Product Characteristics

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

End Item Identification: twin disc hydraulic transmission model tdc-20-2800
Functional Description: pressure rate control piston
Relationship To Similar Equipment: similar to nsn 2520-00-902-1917 p/n b1399
General Characteristics Item Description: steel aisi c1117; casehardened; 1.375 in. o/a lg; 1.166 in. min 1.176 in. max inside lg; 1.340 in. min 1.350 in. max step od; 1.3726 in. min 1.3730 in. max sleeve od; 1.0625 sleeve id

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
B-1399-A	Valve-Selector Piston
B1399A	Valve-Selector Piston

FAQs

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

What is the FSCG of the NSN 2520-01-239-1175?

The FSCG of the NSN 2520-01-239-1175 is 2520

Does the NSN 2520-01-239-1175 have a Schedule B code assigned?

Yes, the Schedule B code is 8483909500

Does NSN 2520-01-239-1175 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 2520-01-239-1175 contain precious materials?

Precious metal content is unknown

Does NSN 2520-01-239-1175 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 2520-01-239-1175 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Aug 26, 1986