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Transmission Synchronizer NSN 2520-00-737-4999

Item Description

A device used in manual automotive transmissions, designed to equalize the speed of the mating parts before they engage. Common types such as block type, disk and plate type, plain type or pin type use friction to synchronize the mating parts. The main function is to help in engaging gears by synchronizing the speeds of the gear and the shaft before the connection is made.

NSN 2520-00-737-4999 NSN: 2520-00-737-4999

Features and Characteristics

General Description
Oconsists of steel clutch hub, clutch sleeve, 3 inserts, 2 retaining 4ings and 2 brass blocking rings; 1.516 in. O/a lg; 3.356 in. Largest od; includes straight splined bore, 6 teeth, 1.356 in. Major dia, 1.156 in. Minor dia
FSC
2520 Vehicular Power Transmission Components
NIIN
007374999
NSN
2520007374999

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
640391
Cage Code:
34623
Status:
A
MSDS:
Part Number:
7374999
Cage Code:
19207
Status:
A
MSDS:
Part Number:
1AT90A-21/2
Cage Code:
31204
Status:
A
MSDS:
Part Number:
1AT90A-2 1/2
Cage Code:
79410
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483909500
  • NAICS: 333613
  • SITC: 74890
  • Description: Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 2520-00-737-4999
What are the manufacturers of nsn 2520007374999?
Does this nsn 2520007374999 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2520007374999
A device used in manual automotive transmissions, designed to equalize the speed of the mating parts before they engage. common types such as block type, disk and plate type, plain type or pin type use friction to synchronize the mating parts. the main function is to help in engaging gears by synchronizing the speeds of the gear and the shaft before the connection is made.
Does nsn 2520007374999 contain any precious metals?
Precious metal content is unknown.
Does nsn 2520007374999 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 2520007374999?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
36254
FIIG:
A23900
App. Key:
A
Cond. Code:
1
Status:
A

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