73878

View detailed technical data, stock status, and sourcing information for: 73878
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Federal Supply Group

Vehicular Equipment Components

Federal Supply Classification

2520 Vehicular Power Transmission Components

National Stock Number

2520-00-420-4418

Item Name Code

10255

Assigment Date

03/07/1969 (57 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

3b thread class, right-hand thread direction, 14.875 inches nominal outside diameter, 3.001 inches minimum and 4.998 inches maximum inside diameter, 14.125 inches nominal bolt circle diameter

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Inside Diameter: 3.001 inches minimum and 4.998 inches maximum
Bolt Circle Diameter: 14.125 inches nominal
Outside Diameter: 14.875 inches nominal
Mounting Hole Quantity: 3
Mounting Hole Type: threaded
Body Length: 2.000 inches nominal
Thread Size And Series/Type Designator: 0.375-16 unc
Fsc Application Data: vehicular power transmission components

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
149460	Dirt and Liquid Deflector
214925	Dirt and Liquid Deflector
73878	Dirt and Liquid Deflector
G73878	Dirt and Liquid Deflector

FAQs

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

What is the FSCG of the NSN 2520-00-420-4418?

The FSCG of the NSN 2520-00-420-4418 is 2520

Does the NSN 2520-00-420-4418 have a Schedule B code assigned?

Yes, the Schedule B code is 8483909500

Does NSN 2520-00-420-4418 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 2520-00-420-4418 contain precious materials?

Precious metal content is unknown

Does NSN 2520-00-420-4418 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 2520-00-420-4418 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Mar 7, 1969