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Technical Data Sheet
40734-9 PC NO 11 ✓ 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 PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 13.406 INCHES NOMINAL IN, special_features: CLASS 410-COLD-COND. A, features_provided: SPRING LOADED, end_item_identification: E/I 1 1/2 INCH TRAC STYLE RA, PILOT OPERATED REDUCING VALVE; W/S TARAWA CLASS LHA IN, valve_design_control_activity: 55378.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-483-9716, 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
40734-9 PC NO 11
NSN: 4820-01-483-9716
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length13.406 INCHES NOMINAL IN
special_featuresCLASS 410-COLD-COND. A
features_providedSPRING LOADED
end_item_identificationE/I 1 1/2 INCH TRAC STYLE RA, PILOT OPERATED REDUCING VALVE; W/S TARAWA CLASS LHA IN
valve_design_control_activity55378
valve_size_for_which_designed1.500 INCHES IN
valve_type_for_which_designedPRESSURE REDUCING
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designedRA
NSN4820-01-483-9716
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40734-9 PC NO 11 · 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
VALVE TYPE FOR WHICH DESIGNED: PRESSURE REDUCING
FEATURES PROVIDED: SPRING LOADED
VALVE DESIGN CONTROL ACTIVITY: 55378
VALVE SIZE FOR WHICH DESIGNED: 1.500 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
VALVE MODEL NUMBER FOR WHICH DESIGNED: RA
TECHNICAL CHARACTERISTICS (FLIS)
VALVE TYPE FOR WHICH DESIGNEDPRESSURE REDUCING
FEATURES PROVIDEDSPRING LOADED
VALVE DESIGN CONTROL ACTIVITY55378
VALVE SIZE FOR WHICH DESIGNED1.500 INCHES IN
END ITEM IDENTIFICATIONE/I 1 1/2 INCH TRAC STYLE RA, PILOT OPERATED REDUCING VALVE; W/S TARAWA CLASS LHA IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
VALVE MODEL NUMBER FOR WHICH DESIGNEDRA
SPECIAL FEATURESCLASS 410-COLD-COND. A
OVERALL LENGTH13.406 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
167700Interchangeable
interchangeable cross-reference
interchangeable
40734-9 ASSY 40734-901Interchangeable
interchangeable cross-reference
interchangeable
40734-9Interchangeable
interchangeable cross-reference
interchangeable
40734-901Interchangeable
interchangeable cross-reference
interchangeable
40734-9 PC NO 12Interchangeable
interchangeable cross-reference
interchangeable
1031-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40734-9 PC NO 11?
40734-9 PC NO 11 is a PISTON,VALVE.
What parts can replace 40734-9 PC NO 11?
There are 18 known substitutes for 40734-9 PC NO 11: 167700, 40734-9 ASSY 40734-901, 40734-9 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40734-9 PC NO 11?
40734-9 PC NO 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-483-9716. This indicates validated use in U.S. government and defense supply chains.
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