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N492904-002PC21 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N492904-002PC21: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY STEM, bonnet_type: INSIDE SPRING, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, special_features: FURNISHED W/MANUAL RELEASE FACILITY, style_designator: ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-882-5576, 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
N492904-002PC21
NSN: 4820-00-882-5576
FSC: 4820 — Valves, Nonpowered
CAGE: 24821 — ROSEMOUNT ANALYTICAL, INC. DIV PROCESS ANALYTICAL DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
bonnet_typeINSIDE SPRING
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
special_featuresFURNISHED W/MANUAL RELEASE FACILITY
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
mounting_facilityBULKHEAD
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.375 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
NSN4820-00-882-5576
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N492904-002PC21 · 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
•
FLOW CONTROL DEVICE: POPPET
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: ANGLE
•
BONNET TYPE: INSIDE SPRING
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
•
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORANGLE
BONNET TYPEINSIDE SPRING
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
DISK LOADING METHODSPRING
MOUNTING FACILITYBULKHEAD
SPECIAL FEATURESFURNISHED W/MANUAL RELEASE FACILITY
SUBSTITUTES & CROSS-REFERENCES 2
6R6MReference document
Same NSN cross-reference
Reference document — Secondary reference
B6R6M50Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N492904-002PC21?
N492904-002PC21 is a VALVE,SAFETY RELIEF.
What parts can replace N492904-002PC21?
There are 2 known substitutes for N492904-002PC21: 6R6M, B6R6M50. Substitute compatibility should be verified for your specific system.
What is the NSN for N492904-002PC21?
N492904-002PC21 is cataloged in the U.S. Government catalog under NSN 4820-00-882-5576. This indicates validated use in U.S. government and defense supply chains.
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