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PartsTable / COMPONENT / 21742N
21742N ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

GOVERNOR,PUMP,PRESSURE REGULATIN. Key specifications include valve_size: 1.000 INCHES IN, pressure_class: ERR-060, general_characteristics_item_description: CRES AISI TYPE 416. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-023-6280, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
21742N
NSN: 4320-00-023-6280
FSC: 4320
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
valve_size1.000 INCHES IN
pressure_classERR-060
general_characteristics_item_descriptionCRES AISI TYPE 416
NSN4320-00-023-6280
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GOVERNOR,PUMP,PRESSURE REGULATIN TITLE COMPONENT PN 21742N MFR GOVERNOR,PUMP,PRESSURE
KEY FEATURES
•
PIPE/TUBE NOMINAL SIZE: 1-1/4 IN. PIPE IN
•
FLANGE OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
•
ACTUATING FLUID PRESSURE RANGE: +50.0 TO 175.0 POUNDS PER SQUARE INCH LBS
•
FLANGE BOLT HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
FLANGE RAISED FACE FEATURE: INCLUDED
•
NONDEFINITIVE SPEC/STD DATA: CP TYPE AND 1 CLASS AND 600 SERIES AND 1 SIZE
•
ANGLE BODY FEATURE: NOT INCLUDED
•
INLET WORKING PRESSURE RATING AT MAXIMUM TEMP: 600 PSI RATED STEAM WP AT 700 DEG F DEGF
TECHNICAL CHARACTERISTICS (FLIS)
PIPE/TUBE NOMINAL SIZE1-1/4 IN. PIPE IN
FLANGE OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
ACTUATING FLUID PRESSURE RANGE+50.0 TO 175.0 POUNDS PER SQUARE INCH LBS
FLANGE BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
FLANGE RAISED FACE FEATUREINCLUDED
NONDEFINITIVE SPEC/STD DATACP TYPE AND 1 CLASS AND 600 SERIES AND 1 SIZE
ANGLE BODY FEATURENOT INCLUDED
INLET WORKING PRESSURE RATING AT MAXIMUM TEMP600 PSI RATED STEAM WP AT 700 DEG F DEGF
PRESSURE TYPECONSTANT
FLANGE BOLT HOLE SPACINGEQUALLY SPACED ON 3-7/8 IN. DIA BOLT CIRCLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
21948NInterchangeable
interchangeable cross-reference
interchangeable
21948N21-2INInterchangeable
interchangeable cross-reference
interchangeable
MILG18916Interchangeable
interchangeable cross-reference
interchangeable
22033NInterchangeable
interchangeable cross-reference
interchangeable
21742NInterchangeable
interchangeable cross-reference
interchangeable
21737NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21742N?
21742N is a GOVERNOR,PUMP,PRESSURE REGULATIN.
What parts can replace 21742N?
There are 13 known substitutes for 21742N: 21948N, 21948N21-2IN, MILG18916 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21742N?
21742N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-023-6280. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026