A253-337

View detailed technical data, stock status, and sourcing information for: A253-337
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-503-7155

Item Name Code

30410

Assigment Date

01/06/2003 (23 years ago)

A cover of various shapes, sizes and materials, specifically designed to fit over the opening(s) of mechanical connections such as drive lines, air and fluid ducts and the like, of various equipments to provide mechanical protection and/or prevent the entrance of foreign matter during shipping, storage or maintenance. The cover is not an integral part of the equipment when the equipment is installed in the end item. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs and the like. See also cap (1), protective, dust and moisture seal. Excludes:cover, access.

threaded internal intake connection type, gear drive connection type, 1 discharge connection quantity, 1 intake connection quantity, threaded internal discharge connection type

Product Characteristics

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

Intake Connection Quantity: 1
Intake Connection Type: threaded internal
Discharge Connection Quantity: 1
Discharge Connection Type: threaded internal
Drive Connection Type: gear
Media For Which Designed: hydrocarbon fuels and oils
End Item Identification: truck tractor cr302d00, nsn 2320-01-452-5579
Operating Speed At Rated Capacity: 2500.0 revolutions per minute
Pump Rotation Direction: clockwise
Rotary Pump Design: gear
Operation Method: powered
Discharge Connection Thread Size And Series/Type Designator: 1.062-12 un
Intake Connection Thread Size And Series/Type Designator: 1.625-12 un
Part Name Assigned By Controlling Agency: pump,hydraulic,3.511 cu in/rev gear type hp-16
Special Features: "3200 psi rated pressure; sae "b" 2-bolt flange; sae "b" 13-tooth split, 7/8 in. dia.; 1 1/16-12 sae "o" ring gear pressure port; 1 5/8-12 sae "o-ring gear inlet port; 3.511 cubic inch/rev hydraulic gear pump; geartek p/n c180r-285 and tyrone p/n hp16-180c-2n5"

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
253-337	Rotary Pump
A253-0337	Rotary Pump
A253-337	Rotary Pump

FAQs

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

What is the FSCG of the NSN 4320-01-503-7155?

The FSCG of the NSN 4320-01-503-7155 is 4320

Does the NSN 4320-01-503-7155 have a Schedule B code assigned?

Yes, the Schedule B code is 8413600090

Does NSN 4320-01-503-7155 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 4320-01-503-7155 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-503-7155 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 4320-01-503-7155 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Mon, Jan 6, 2003