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647A237 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

647A237: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: COPPER ALLOY, connection_type: THREADED INTERNAL PIPE, special_features: FURNISHED WITH CAM; BODY PORTED FOR SUBPLATE MOUNTING, nominal_thread_size: 0.250 INCHES IN, valve_operation_method: MANUAL, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-922-8359, 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
647A237
NSN: 4820-00-922-8359
FSC: 4820 — Valves, Nonpowered
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
body_materialCOPPER ALLOY
spool_quantity1
connection_typeTHREADED INTERNAL PIPE
special_featuresFURNISHED WITH CAM; BODY PORTED FOR SUBPLATE MOUNTING
nominal_thread_size0.250 INCHES IN
flow_pattern_quantity3
valve_operation_methodMANUAL
end_connection_quantity3
spool_position_quantity2
thread_series_designatorNPT
NSN4820-00-922-8359
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 647A237 · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 3
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
SPOOL QUANTITY: 1
•
BODY MATERIAL: COPPER ALLOY
•
THREAD SERIES DESIGNATOR: NPT
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY3
NOMINAL THREAD SIZE0.250 INCHES IN
SPOOL QUANTITY1
BODY MATERIALCOPPER ALLOY
SPECIAL FEATURESFURNISHED WITH CAM; BODY PORTED FOR SUBPLATE MOUNTING
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODMANUAL
FLOW PATTERN QUANTITY3
SPOOL POSITION QUANTITY2
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
647A237PC1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 647A237?
647A237 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 647A237?
There is 1 known substitute for 647A237: 647A237PC1. Substitute compatibility should be verified for your specific system.
What is the NSN for 647A237?
647A237 is cataloged in the U.S. Government catalog under NSN 4820-00-922-8359. 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.