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PartsTable / COMPONENT / 40754-4 FIND NO 23
40754-4 FIND NO 23 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, special_features: BOTTOM AND TOP GUIDED STEM, features_provided: THREADED, end_item_identification: 4820-01-521-0018 PRESSURE REGULATING VALVE; W/S: NIMITZ, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 0.500 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-521-0020, 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
40754-4 FIND NO 23
NSN: 4820-01-521-0020
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
special_featuresBOTTOM AND TOP GUIDED STEM
features_providedTHREADED
end_item_identification4820-01-521-0018 PRESSURE REGULATING VALVE; W/S: NIMITZ
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedREGULATOR
material_document_and_classificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-521-0020
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40754-4 FIND NO 23 · 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
KEY FEATURES
•
MATERIAL: NICKEL ALLOY
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
FEATURES PROVIDED: THREADED
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: REGULATOR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
END ITEM IDENTIFICATION4820-01-521-0018 PRESSURE REGULATING VALVE; W/S: NIMITZ
SPECIAL FEATURESBOTTOM AND TOP GUIDED STEM
FEATURES PROVIDEDTHREADED
STEM ACTUATING END TYPETHREADED EXTERNALLY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDREGULATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
407544Interchangeable
interchangeable cross-reference
interchangeable
SG5534J/883BInterchangeable
interchangeable cross-reference
interchangeable
5534DMQBInterchangeable
interchangeable cross-reference
interchangeable
93701Interchangeable
interchangeable cross-reference
interchangeable
NIP-328 ITEM 42Interchangeable
interchangeable cross-reference
interchangeable
L698/18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40754-4 FIND NO 23?
40754-4 FIND NO 23 is a STEM,FLUID VALVE.
What parts can replace 40754-4 FIND NO 23?
There are 14 known substitutes for 40754-4 FIND NO 23: 407544, SG5534J/883B, 5534DMQB and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40754-4 FIND NO 23?
40754-4 FIND NO 23 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-521-0020. 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