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PartsTable / COMPONENT / MC33-52 ITEM 12
MC33-52 ITEM 12 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE, SHUT-OFF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-553-0472, 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
MC33-52 ITEM 12
NSN: 4820-01-553-0472
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
end_item_identificationVALVE, SHUT-OFF
NSN4820-01-553-0472
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MC33-52 ITEM 12 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE, SHUT-OFF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2-7019Interchangeable
interchangeable cross-reference
interchangeable
2-3516Interchangeable
interchangeable cross-reference
interchangeable
AS568-005Interchangeable
interchangeable cross-reference
interchangeable
8005-366YInterchangeable
interchangeable cross-reference
interchangeable
40142Interchangeable
interchangeable cross-reference
interchangeable
5572509Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MC33-52 ITEM 12?
MC33-52 ITEM 12 is a FILTER ELEMENT,FLUID.
What parts can replace MC33-52 ITEM 12?
There are 9 known substitutes for MC33-52 ITEM 12: 2-7019, 2-3516, AS568-005 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MC33-52 ITEM 12?
MC33-52 ITEM 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-553-0472. 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