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142-20002-2 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

142-20002-2: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: RUBBER SYNTHETIC AND STEEL COMP 303, bead_diameter: 0.875 INCHES NOMINAL IN, pressure_rating: 6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: SPECIAL SHAPED, material_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-187-1479, 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
142-20002-2
NSN: 4820-01-187-1479
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND STEEL COMP 303
bead_diameter0.875 INCHES NOMINAL IN
pressure_rating6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter2.000 INCHES NOMINAL IN
style_designatorSPECIAL SHAPED
material_thickness0.094 INCHES NOMINAL IN
material_document_and_classificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-187-1479
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 142-20002-2 · 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
•
PRESSURE RATING: 6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
BEAD DIAMETER: 0.875 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC AND STEEL COMP 303
TECHNICAL CHARACTERISTICS
PRESSURE RATING6000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
BEAD DIAMETER0.875 INCHES NOMINAL IN
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC AND STEEL COMP 303
SUBSTITUTES & CROSS-REFERENCES 2
N-846AReference document
Same NSN cross-reference
Reference document — Drawing number reference only
N-846A PIECE 10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 142-20002-2?
142-20002-2 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace 142-20002-2?
There are 2 known substitutes for 142-20002-2: N-846A, N-846A PIECE 10. Substitute compatibility should be verified for your specific system.
What is the NSN for 142-20002-2?
142-20002-2 is cataloged in the U.S. Government catalog under NSN 4820-01-187-1479. 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.