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633971-1 — COCK,POPPET DRAIN

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

633971-1: COCK,POPPET DRAIN.

The COCK,POPPET DRAIN is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, surface_treatment: ANODIZE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-203-9392, 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
633971-1
NSN: 4820-00-203-9392
FSC: 4820 — Valves, Nonpowered
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
surface_treatmentANODIZE
operating_pressure60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
flow_control_devicePOPPET
nominal_thread_size0.562 INCHES FIRST END IN
valve_operation_methodMANUAL
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
thread_quantity_per_inch18 FIRST END
NSN4820-00-203-9392
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 633971-1 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.562 INCHES FIRST END IN
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
SURFACE TREATMENT: ANODIZE
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
SURFACE TREATMENTANODIZE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
THREAD CLASS3A FIRST END A
THREAD QUANTITY PER INCH18 FIRST END
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 633971-1?
633971-1 is a COCK,POPPET DRAIN.
What is the NSN for 633971-1?
633971-1 is cataloged in the U.S. Government catalog under NSN 4820-00-203-9392. This indicates validated use in U.S. government and defense supply chains.
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