PartsTable
Technical Data Sheet
42555 ✓ Verified by PartsTable
schleich · 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

In the darkest dark of night, when the icy wind cuts like a jagged stone, the sound thunders in your ear…it's your heart racing, alerting you to unseen danger. Your sense tell you all you need to know: The Shadow Lion is nearby. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-055-2921, 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
42555
NSN: 4810-00-055-2921
FSC: 4810
CAGE: 81873 — WOODWARD HRT INC (USA)
SPECIFICATIONS
shapeCYLINDRICAL
baffleNOT PROVIDED
length25.000 INCHES NOMINAL IN
diameter12.500 INCHES NOMINAL IN
materialSTEEL OVERALL
body_stylePLAIN, SOLID
bore_styleSTRAIGHT SPLINE BOTH ENDS
case_styleSQUARE
drain_plugNOT INCLUDED
filler_capNOT INCLUDED
seal_width0.315 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
teeth_typeSPIRAL
NSN4810-00-055-2921
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 42555 · schleich ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A42555Interchangeable
interchangeable cross-reference
interchangeable
56613Interchangeable
interchangeable cross-reference
interchangeable
1-748-4Interchangeable
interchangeable cross-reference
interchangeable
42555Interchangeable
interchangeable cross-reference
interchangeable
P2788-7Interchangeable
interchangeable cross-reference
interchangeable
P2788REVCPCP2788-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42555?
42555 is a RELAY,THERMAL manufactured by schleich.
What parts can replace 42555?
There are 11 known substitutes for 42555: A42555, 56613, 1-748-4 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42555?
42555 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-055-2921. This indicates validated use in U.S. government and defense supply chains.
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