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999D0488 PC 18 — VALVE,PNEUMATIC TANK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

999D0488 PC 18: VALVE,PNEUMATIC TANK.

The VALVE,PNEUMATIC TANK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, temp_rating: 600.0 FAHRENHEIT DEGF, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: MAXIMUM OPERATING PRESSURE, 4000 PSI. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-232-5431, 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
999D0488 PC 18
NSN: 4820-01-232-5431
FSC: 4820 — Valves, Nonpowered
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
temp_rating600.0 FAHRENHEIT DEGF
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresMAXIMUM OPERATING PRESSURE, 4000 PSI
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
operating_pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePOPPET
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp600.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-01-232-5431
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 999D0488 PC 18 · 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
SUBSTITUTES & CROSS-REFERENCES 1
SS-4P-4MReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 999D0488 PC 18?
999D0488 PC 18 is a VALVE,PNEUMATIC TANK.
What parts can replace 999D0488 PC 18?
There is 1 known substitute for 999D0488 PC 18: SS-4P-4M. Substitute compatibility should be verified for your specific system.
What is the NSN for 999D0488 PC 18?
999D0488 PC 18 is cataloged in the U.S. Government catalog under NSN 4820-01-232-5431. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.