A1-3761B28

View detailed technical data, stock status, and sourcing information for: A1-3761B28
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2530 Vehicular Brake, Steering, Axle, Wheel and Track Components

National Stock Number

2530-00-755-6445

Item Name Code

10862

Assigment Date

01/01/1960 (66 years ago)

1.950 inches nominal overall height, 1.125 inches nominal bore diameter, 2.195 inches nominal overall width, 1.515 inches nominal body outside diameter, threaded mounting holes mounting provision

Product Characteristics

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

Mounting Provision: threaded mounting holes
Overall Height: 1.950 inches nominal
Overall Width: 2.195 inches nominal
Bore Diameter: 1.125 inches nominal
Body Outside Diameter: 1.515 inches nominal
Longest Horizontal Distance Between Mounting Centers: 1.250 inches nominal
Shortest Horizontal Distance Between Mounting Centers: 0.500 inches nominal
Longest Vertical Distance Between Mounting Centers: 3.500 inches nominal
Seat Angle In Deg: 45.0 single port
Mounting Facility Thread Class: 2b
Mounting Facility Thread Direction: right-hand
First End Hole Diameter: 0.438 inches nominal all working ends
Bore Type: straight
Mounting Provision Arrangement Style: three hole triangular
Mounting Facility Thread Series Designator: unc and unf
Mounting Facility Thread Diameter: 0.312 inches nominal
Mounting Facility Thread Quantity Per Inch: 18
Design Characteristics: single acting single cylinder
First Piston Rod End Style: ring type all working ends
Mounting Type And Location: flange center section
Mounting Facility Thread Length: 0.500 inches nominal
Port Location And Quantity: 1 cylinder head end
Port Style: inverted flare single port
Port Thread Series Designator: unf single port
Port Thread Diameter: 0.438 inches nominal single port
Port Thread Quantity Per Inch: 18 single port
Port Thread Class: 2b single port
Bleeding Feature Quantity: 1
Material: iron cast body

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
350MEL1	Hydraulic Brak Cylinder Assembly
A1-3761B28	Hydraulic Brak Cylinder Assembly
FD36938	Hydraulic Brak Cylinder Assembly

FAQs

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

What is the FSCG of the NSN 2530-00-755-6445?

The FSCG of the NSN 2530-00-755-6445 is 2530

Does the NSN 2530-00-755-6445 have a Schedule B code assigned?

Yes, the Schedule B code is 8708300050

Does NSN 2530-00-755-6445 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 2530-00-755-6445 contain precious materials?

Precious metal content is unknown

Does NSN 2530-00-755-6445 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 2530-00-755-6445 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960