PartsTable
Technical Data Sheet
123SCH183-3 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: INCLUDED, material: STEEL CORROSION RESISTING BODY, body_style: STRAIGHT THRU, temp_rating: -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF, regulation_type: MANUAL SINGLE STAGE, surface_treatment: CHROMATE OUTSIDE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-146-0204, 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
123SCH183-3
NSN: 4820-01-146-0204
FSC: 4820
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
filterINCLUDED
materialSTEEL CORROSION RESISTING BODY
body_styleSTRAIGHT THRU
temp_rating-65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
regulation_typeMANUAL SINGLE STAGE
surface_treatmentCHROMATE OUTSIDE
flow_control_devicePISTON, SPRING LOADED
valve_loading_methodSPRING
manual_control_methodKNOB
first_end_thread_class3B
end_connection_quantity2
media_for_which_designedHYDRAULIC FLUID, MIL-H-5606
NSN4820-01-146-0204
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 123SCH183-3 · 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
VALVE LOADING METHOD: SPRING
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/8-14 UNF FIRST END
FIRST END CONNECTION TYPE: THREADED INTERNAL BOSS
BODY STYLE: STRAIGHT THRU
FIRST END STYLE DESIGNATOR: GASKET SEAL
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, MIL-H-5606
TEMP RATING: -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
FIRST END THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
VALVE LOADING METHODSPRING
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/8-14 UNF FIRST END
FIRST END CONNECTION TYPETHREADED INTERNAL BOSS
BODY STYLESTRAIGHT THRU
FIRST END STYLE DESIGNATORGASKET SEAL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MIL-H-5606
TEMP RATING-65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF
FIRST END THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCHROMATE OUTSIDE
FILTERINCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2651-10Interchangeable
interchangeable cross-reference
interchangeable
73917-32X1ITEM8Interchangeable
interchangeable cross-reference
interchangeable
M24135/10-10Interchangeable
interchangeable cross-reference
interchangeable
33225Interchangeable
interchangeable cross-reference
interchangeable
397311Interchangeable
interchangeable cross-reference
interchangeable
187329R91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123SCH183-3?
123SCH183-3 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 123SCH183-3?
There are 16 known substitutes for 123SCH183-3: 2651-10, 73917-32X1ITEM8, M24135/10-10 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 123SCH183-3?
123SCH183-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-146-0204. This indicates validated use in U.S. government and defense supply chains.
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