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Rotary Pump Gear Rotor Set NSN 4320-01-338-2277

Item Description

A pump rotor or impeller consisting of two gears, the outer gear having internal teeth (lobes) and the inner gear having external teeth (lobes). The inner gear has one or two teeth less than the outer gear, and is mounted to mesh eccentric with the outer gear. The space between the teeth of the two meshing gears creates a positive displacement of fluids from the inlet port to the outlet port of the rotary pump.

NSN 4320-01-338-2277 NSN: 4320-01-338-2277

Features and Characteristics

Component Quantity
2
Nonsupply Items And Quantities
76301 n197331-1 gear 2
Special Features
Outer rotor cast iron grade 40; inner rotor steel a.I.S.I. 8620; o/a diameter 1.4975; bore diameter 0.500 in.; o/a diameter including keyways 0.632 in.; 2 keyways set 90 degrees apart; width of keyway 0.095 in.
FSC
4320 Power And Hand Pumps
NIIN
013382277
NSN
4320013382277

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
N197331-1
Cage Code:
76301
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483409000
  • NAICS: 333612
  • SITC: 74840
  • Description: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4320-01-338-2277
What are the manufacturers of nsn 4320013382277?
Does this nsn 4320013382277 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320013382277
A pump rotor or impeller consisting of two gears, the outer gear having internal teeth (lobes) and the inner gear having external teeth (lobes). the inner gear has one or two teeth less than the outer gear, and is mounted to mesh eccentric with the outer gear. the space between the teeth of the two meshing gears creates a positive displacement of fluids from the inlet port to the outlet port of the rotary pump.
Does nsn 4320013382277 contain any precious metals?
No precious metal content.
Does nsn 4320013382277 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320013382277?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
61764
FIIG:
A23800
App. Key:
A
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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