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Stop And Stop Check Valve NSN 4820-01-197-4974

Item Description

A combination of two valves, one a stop valve, the other a stop check valve, either in the same body, or in separate bodies bolted together, used to control the admission of feed water to a boiler, to prevent the return of water or steam from the boiler, and to provide a means of shutting off the feed line between the stop check valve and the steam drum or economizer.

NSN 4820-01-197-4974 NSN: 4820-01-197-4974

Features and Characteristics

Criticality Code Justification
Zzzy
Reference Number Differentiating Characteristics
Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
FSC
4820 Nonpowered Valves
NIIN
011974974
NSN
4820011974974

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A841102
Cage Code:
06546
Status:
A
MSDS:
Part Number:
A10-2085P-02TS
Cage Code:
57574
Status:
A
MSDS:
Part Number:
SS845-1889550ASSYASC3.00IN
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2620-922X1ASSYASC3.00IN
Cage Code:
96169
Status:
A
MSDS:
Part Number:
2621-922-01 ASSYIRC
Cage Code:
63686
Status:
A
MSDS:
Part Number:
2620-922X1ASSYASC3.00INL1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
SS845-1889550ASSYASC3.00INL1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
A10-2085P-02TSL1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
A841102L1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
2621-922-01 ASSYIRCL1
Cage Code:
03950
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809050
  • NAICS: 332911
  • SITC: 74780
  • Description: Other taps, cocks, valves, etc., nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-197-4974
What are the manufacturers of nsn 4820011974974?
Does this nsn 4820011974974 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011974974
A combination of two valves, one a stop valve, the other a stop check valve, either in the same body, or in separate bodies bolted together, used to control the admission of feed water to a boiler, to prevent the return of water or steam from the boiler, and to provide a means of shutting off the feed line between the stop check valve and the steam drum or economizer.
Does nsn 4820011974974 contain any precious metals?
No precious metal content.
Does nsn 4820011974974 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011974974?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
61314
FIIG:
A23900
App. Key:
A
Cond. Code:
2
Status:
A

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