Orifice Spark Advance Control Va NSN 2990-01-485-7867

Item Description

A device that delays the vacuum advance during acceleration by restricting the flow of vacuum from the carburetor vacuum port to the distributor vacuum advance unit. Item may contain a thermal control device to sense carburetor air inlet temperature.

NSN: 2990-01-485-7867

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Related NSN

Features and Characteristics

End Application

E/i torpedo, consu.; orifice

Vehicle Design Control Activity

53711

Special Features

Material cres, aisi type 303; passivate in accordance with astm a 380; classification number 101; commercial inspection required; all dimentions in inches; length 0.312; threaded 0.344 32 uns 2a; major diameter 0.343, pitch diameter 0.323; slot size 0.062; depth of slot 0.049 - 0.093

FSC

2990 Nonaircraft Miscellaneous Engine Accessories

NIIN

014857867

NSN

2990014857867

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7052990

Cage Code:

53711

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481909090
NAICS: 332911
SITC: 74790
Description: Parts of taps, cocks, valves and similar appliances, nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 2990-01-485-7867

What are the manufacturers of nsn 2990014857867?

Naval Sea Systems Command (53711)

Does this nsn 2990014857867 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 2990014857867
A device that delays the vacuum advance during acceleration by restricting the flow of vacuum from the carburetor vacuum port to the distributor vacuum advance unit. item may contain a thermal control device to sense carburetor air inlet temperature.

Does nsn 2990014857867 contain any precious metals?
No precious metal content.

Does nsn 2990014857867 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 2990014857867?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

36487

FIIG:

A516J0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
Quality Fast Service