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PartsTable / COMPONENT / 40053-4 PC 19
40053-4 PC 19 ✓ 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 CAP,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, attachment_method: THREADED, end_item_identification: 170 FT PATROL COASTAL FT, valve_size_for_which_designed: 1.250 INCHES IN, valve_type_for_which_designed: TEMPERATURE REGULATING, material_document_and_classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-423-8758, 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
40053-4 PC 19
NSN: 4820-01-423-8758
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
attachment_methodTHREADED
end_item_identification170 FT PATROL COASTAL FT
valve_size_for_which_designed1.250 INCHES IN
valve_type_for_which_designedTEMPERATURE REGULATING
material_document_and_classificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designed40053-4
NSN4820-01-423-8758
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40053-4 PC 19 · 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 DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
•
VALVE TYPE FOR WHICH DESIGNED: TEMPERATURE REGULATING
•
ATTACHMENT METHOD: THREADED
•
VALVE SIZE FOR WHICH DESIGNED: 1.250 INCHES IN
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 40053-4
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION170 FT PATROL COASTAL FT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE
VALVE TYPE FOR WHICH DESIGNEDTEMPERATURE REGULATING
ATTACHMENT METHODTHREADED
VALVE SIZE FOR WHICH DESIGNED1.250 INCHES IN
VALVE MODEL NUMBER FOR WHICH DESIGNED40053-4
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
400534Interchangeable
interchangeable cross-reference
interchangeable
8583-656Interchangeable
interchangeable cross-reference
interchangeable
2-248V1226-75Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-248Interchangeable
interchangeable cross-reference
interchangeable
27264Interchangeable
interchangeable cross-reference
interchangeable
86665CSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40053-4 PC 19?
40053-4 PC 19 is a CAP,VALVE.
What parts can replace 40053-4 PC 19?
There are 18 known substitutes for 40053-4 PC 19: 400534, 8583-656, 2-248V1226-75 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40053-4 PC 19?
40053-4 PC 19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-423-8758. 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