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803-2177934-C331 — VALVE,STOP-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-2177934-C331: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, valve_size: 0.750 INCHES IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-146-9347, 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
803-2177934-C331
NSN: 4820-00-146-9347
NIINs: 001469347, 011757069, 012553388
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
valve_size0.750 INCHES IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
flow_control_deviceDISK
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS.
NSN4820-00-146-9347
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-2177934-C331 · 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: DISK
•
RENEWABLE SEAT RING TYPE: THREADED
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
CONNECTION STYLE: SOCKET (PIPE) FIRST END
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FEATURES PROVIDED: BONNET PACKING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
RENEWABLE SEAT RING TYPETHREADED
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION STYLESOCKET (PIPE) FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDEDBONNET PACKING
BONNET TYPEINSIDE SCREW
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
SUBSTITUTES & CROSS-REFERENCES 1
803-2177934-C331L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-2177934-C331?
803-2177934-C331 is a VALVE,STOP-CHECK.
What parts can replace 803-2177934-C331?
There is 1 known substitute for 803-2177934-C331: 803-2177934-C331L1. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-2177934-C331?
803-2177934-C331 is cataloged in the U.S. Government catalog under NSN 4820-00-146-9347. This indicates validated use in U.S. government and defense supply chains.
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