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501A-3-12-20 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

501A-3-12-20: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include special_features: ALUMINUM,THREE INTERNAL PORTS 1/2 IN. NPT,125.0 PSI WORKING PRESSURE,M30 DEG F TO 225 DEG F,MOUNT IN ANY POSITION IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-014-1988, 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
501A-3-12-20
NSN: 4820-01-014-1988
FSC: 4820 — Valves, Nonpowered
CAGE: 24522 — HUMPHREY PRODUCTS CO (USA)
SPECIFICATIONS
special_featuresALUMINUM,THREE INTERNAL PORTS 1/2 IN. NPT,125.0 PSI WORKING PRESSURE,M30 DEG F TO 225 DEG F,MOUNT IN ANY POSITION IN
NSN4820-01-014-1988
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 501A-3-12-20 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESALUMINUM,THREE INTERNAL PORTS 1/2 IN. NPT,125.0 PSI WORKING PRESSURE,M30 DEG F TO 225 DEG F,MOUNT IN ANY POSITION IN
SUBSTITUTES & CROSS-REFERENCES 2
1025-30203PC15Reference document
Same NSN cross-reference
Reference document — Secondary reference
1025-30203Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 501A-3-12-20?
501A-3-12-20 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 501A-3-12-20?
There are 2 known substitutes for 501A-3-12-20: 1025-30203PC15, 1025-30203. Substitute compatibility should be verified for your specific system.
What is the NSN for 501A-3-12-20?
501A-3-12-20 is cataloged in the U.S. Government catalog under NSN 4820-01-014-1988. This indicates validated use in U.S. government and defense supply chains.
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