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1806CCU — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1806CCU: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT, connection_type: UNTHREADED INTERNAL PIPE FIRST END, connection_style: SOCKET FIRST END, special_features: W/LIFTING LEVER, style_designator: ANGLE, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-287-4644, 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
1806CCU
NSN: 4820-00-287-4644
NIINs: 002874644, 002893863
FSC: 4820 — Valves, Nonpowered
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
connection_typeUNTHREADED INTERNAL PIPE FIRST END
connection_styleSOCKET FIRST END
special_featuresW/LIFTING LEVER
style_designatorANGLE
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp425.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedSTEAM FIRST RESPONSE
renewable_seat_ring_typeTHREADED
NSN4820-00-287-4644
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1806CCU · 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
•
RENEWABLE SEAT RING TYPE: THREADED
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
RENEWABLE SEAT RING TYPETHREADED
CONNECTION STYLESOCKET (TUBE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES ALL ENDS IN
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+136.0 TO 169.0 POUNDS PER SQUARE INCH LBS
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT FIRST RESPONSE DEGF
SUBSTITUTES & CROSS-REFERENCES 6
S4824H3163773PC1T018Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
3076-10ALT10PCV49Reference document
Same NSN cross-reference
Reference document — Secondary reference
5119-4824-3801PC1T0-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
FIG1251 1/2INReference document
Same NSN cross-reference
Reference document — Secondary reference
R6309HHPC1T016Reference document
Same NSN cross-reference
Reference document — Secondary reference
20058Q51MReference 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 1806CCU?
1806CCU is a VALVE,SAFETY RELIEF.
What parts can replace 1806CCU?
There are 6 known substitutes for 1806CCU: S4824H3163773PC1T018, 3076-10ALT10PCV49, 5119-4824-3801PC1T0-16 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1806CCU?
1806CCU is cataloged in the U.S. Government catalog under NSN 4820-00-287-4644. This indicates validated use in U.S. government and defense supply chains.
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