2278438

View detailed technical data, stock status, and sourcing information for: 2278438
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2520 Vehicular Power Transmission Components

National Stock Number

2520-00-741-1327

Item Name Code

05621

Assigment Date

01/01/1963 (63 years ago)

11 mounting threads per inch, 19.750 inches nominal overall height, 14.500 inches nominal overall width, 20.250 inches nominal overall length, 0.625 inches nominal mounting hole diameter

Product Characteristics

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

Mounting Threads Per Inch: 11
Overall Length: 20.250 inches nominal
Overall Height: 19.750 inches nominal
Overall Width: 14.500 inches nominal
Mounting Hole Diameter: 0.625 inches nominal
Mounting Hole Quantity: 4
Mounting Hole Thread Class: 2b
Mounting Flange Bolt Hole Quantity: 4
Bolt Hole Quantity: 4
Bolt Hole Diameter: 0.500 inches nominal
Mounting Hole Spacing: 2-5/8 in. mtg centers,2 located on ea side of case
Flange Bolt Hole Diameter: 0.375 inches nominal
Mounting Thread Series: unc
Flange Bolt Hole Spacing: spaced 2-3/8 in. by 2-7/8 in. approx mtg centers on 3-3/4 in. bolt circle approx
Bolt Hole Spacing: spaced 3-1/8 in. by 3-3/4 in. approx mtg centers on 4-15/16 in. bolt circle approx
Flange Mounting Face Width: 3.125 inches nominal
Flange Mounting Face Length: 3.750 inches nominal
Output Flange Location: on front and both rear output shafts
Input Shaft End Type: flanged
Mounting Face Outside Diameter: 9.500 inches nominal
Mounting Face Width: 4.438 inches nominal
Mounting Face Length: 4.938 inches nominal
Output Shaft End Quantity: 3
Output Shaft End Type: flanged
Flange Mounting Face Outside Diameter: 3.000 inches nominal

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-697-4469	No Name Available	01/01/1963

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
2278438	Transfer Transmission Assembly
7411327	Transfer Transmission Assembly

FAQs

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

What is the FSCG of the NSN 2520-00-741-1327?

The FSCG of the NSN 2520-00-741-1327 is 2520

Does the NSN 2520-00-741-1327 have a Schedule B code assigned?

Yes, the Schedule B code is 8483909500

Does NSN 2520-00-741-1327 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 2520-00-741-1327 contain precious materials?

Precious metal content is unknown

Does NSN 2520-00-741-1327 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 2520-00-741-1327 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963