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Technical Data Sheet
1H9575 ✓ 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

The CYLINDER,REGULATING VALVE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-478-8339, 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
1H9575
NSN: 2990-00-478-8339
FSC: 2990
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number1H9575
NSN2990-00-478-8339
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER,REGULATING VALVE TITLE COMPONENT PN 1H9575 MFR CYLINDER,REGULATING VA
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS,2.813 IN. LG,1.625 IN. HEXAGON WIDTH,1.875 IN. LARGEST OD,1-688 IN. ID 2.250 IN. DEEP,1.500 IN.-20 UN THD ONE END,ONE 0.313 IN. DIA HOLE THROUGH CENTER EACH FLAT,2.031 IN. FROM PLAIN END TO CENTER OF HOLE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS,2.813 IN. LG,1.625 IN. HEXAGON WIDTH,1.875 IN. LARGEST OD,1-688 IN. ID 2.250 IN. DEEP,1.500 IN.-20 UN THD ONE END,ONE 0.313 IN. DIA HOLE THROUGH CENTER EACH FLAT,2.031 IN. FROM PLAIN END TO CENTER OF HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
189575Interchangeable
interchangeable cross-reference
interchangeable
4720PL0886805Interchangeable
interchangeable cross-reference
interchangeable
4720002000368Interchangeable
interchangeable cross-reference
interchangeable
3H2L8-15Interchangeable
interchangeable cross-reference
interchangeable
121753Interchangeable
interchangeable cross-reference
interchangeable
801625-551-003 PC NO 17AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1H9575?
1H9575 is a CYLINDER,REGULATING VALVE.
What parts can replace 1H9575?
There are 21 known substitutes for 1H9575: 189575, 4720PL0886805, 4720002000368 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1H9575?
1H9575 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-478-8339. This indicates validated use in U.S. government and defense supply chains.
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