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66BR4 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

66BR4: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: COPPER ALLOY BODY, body_style: TEE, temp_rating: 180.0 FAHRENHEIT NOMINAL DEGF, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DISK, BOTTOM GUIDED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-386-4535, 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
66BR4
NSN: 4820-01-386-4535
FSC: 4820 — Valves, Nonpowered
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialCOPPER ALLOY BODY
body_styleTEE
temp_rating180.0 FAHRENHEIT NOMINAL DEGF
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDISK, BOTTOM GUIDED
valve_loading_methodWEIGHT
end_connection_quantity3
remote_actuation_methodDIAPHRAGM
media_for_which_designedAIR
first_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
NSN4820-01-386-4535
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 66BR4 · 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: DISK, BOTTOM GUIDED
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
REMOTE ACTUATION METHOD: DIAPHRAGM
•
BODY STYLE: TEE
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
THIRD END RELATIONSHIP WITH PRECEDING ENDS: IDENTICAL WITH FIRST END
•
FIRST END STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK, BOTTOM GUIDED
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
REMOTE ACTUATION METHODDIAPHRAGM
BODY STYLETEE
REGULATION TYPEAUTOMATIC SINGLE STAGE
THIRD END RELATIONSHIP WITH PRECEDING ENDSIDENTICAL WITH FIRST END
FIRST END STYLE DESIGNATORPLAIN
TEMP RATING180.0 FAHRENHEIT NOMINAL DEGF
END CONNECTION QUANTITY3
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

No substitute or cross-reference records for this part.

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 66BR4?
66BR4 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 66BR4?
66BR4 is cataloged in the U.S. Government catalog under NSN 4820-01-386-4535. This indicates validated use in U.S. government and defense supply chains.
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