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9966D51M — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9966D51M: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR COPPER ALLOY 360 BODY, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: STREAMLINED WITH ONE BRAZING RING ALL ENDS, style_designator: ANGLE, disk_loading_method: SPRING, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-752-9940, 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
9966D51M
NSN: 4820-00-752-9940
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR COPPER ALLOY 360 BODY
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSTREAMLINED WITH ONE BRAZING RING ALL ENDS
style_designatorANGLE
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC OR MANUAL
media_for_which_designedGAS, INERT SECOND RESPONSE
adjustable_pressure_range+20.0 TO 24.0 POUNDS PER SQUARE INCH LBS
valve_discharge_flow_rate30.0 CUBIC FEET PER MINUTE
furnished_items_and_quantity1 WRENCH
NSN4820-00-752-9940
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9966D51M · 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
•
FURNISHED ITEMS AND QUANTITY: 1 WRENCH
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
CONNECTION STYLE: STREAMLINED WITH ONE BRAZING RING ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
ADJUSTABLE PRESSURE RANGE: +20.0 TO 24.0 POUNDS PER SQUARE INCH LBS
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FURNISHED ITEMS AND QUANTITY1 WRENCH
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS IN
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORANGLE
ADJUSTABLE PRESSURE RANGE+20.0 TO 24.0 POUNDS PER SQUARE INCH LBS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
DISK LOADING METHODSPRING
MEDIA FOR WHICH DESIGNEDGAS, INERT SECOND RESPONSE
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
UU1251TReference 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 9966D51M?
9966D51M is a VALVE,SAFETY RELIEF.
What parts can replace 9966D51M?
There is 1 known substitute for 9966D51M: UU1251T. Substitute compatibility should be verified for your specific system.
What is the NSN for 9966D51M?
9966D51M is cataloged in the U.S. Government catalog under NSN 4820-00-752-9940. This indicates validated use in U.S. government and defense supply chains.
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