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233B645014 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

233B645014: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: COPPER ALLOY BODY, body_style: ANGLE, regulation_type: MANUAL, DOUBLE STAGE, valve_stem_design: SINGLE SEAT, flow_control_device: DIAPHRAGM. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-139-3376, 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
233B645014
NSN: 4820-00-139-3376
FSC: 4820 — Valves, Nonpowered
CAGE: 00742 — AIR PRODUCTS & CHEMICALS, INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialCOPPER ALLOY BODY
body_styleANGLE
regulation_typeMANUAL, DOUBLE STAGE
valve_stem_designSINGLE SEAT
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
end_connection_quantity2
media_for_which_designedAIR
first_end_style_designatorPLAIN
second_end_relationship_with_first_endIDENTICAL
thread_size_and_series/type_designator0.250-18 NPT FIRST END
NSN4820-00-139-3376
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 233B645014 · 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: DIAPHRAGM
•
VALVE STEM DESIGN: SINGLE SEAT
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: ANGLE
•
REGULATION TYPE: MANUAL, DOUBLE STAGE
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
VALVE LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDIAPHRAGM
VALVE STEM DESIGNSINGLE SEAT
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLEANGLE
REGULATION TYPEMANUAL, DOUBLE STAGE
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
VALVE LOADING METHODSPRING
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDAIR
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
C9100ASame 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 233B645014?
233B645014 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 233B645014?
There is 1 known substitute for 233B645014: C9100A. Substitute compatibility should be verified for your specific system.
What is the NSN for 233B645014?
233B645014 is cataloged in the U.S. Government catalog under NSN 4820-00-139-3376. 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.