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PartsTable / COMPONENT / 845-1889550ASSYAS3IN PIECE66
845-1889550ASSYAS3IN PIECE66 ✓ 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

The CAP,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 7.250 INCHES NOMINAL IN, attachment_method: BOLTS, valve_size_for_which_designed: 3.000 INCHES IN, valve_type_for_which_designed: GLOBE, valve_model_number_for_which_designed: 845-1889550 ASSY AS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-132-9148, 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
845-1889550ASSYAS3IN PIECE66
NSN: 4820-01-132-9148
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
overall_length7.250 INCHES NOMINAL IN
attachment_methodBOLTS
valve_size_for_which_designed3.000 INCHES IN
valve_type_for_which_designedGLOBE
valve_model_number_for_which_designed845-1889550 ASSY AS
NSN4820-01-132-9148
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889550ASSYAS3IN PIECE66 · 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 TYPE FOR WHICH DESIGNED: GLOBE
•
VALVE SIZE FOR WHICH DESIGNED: 3.000 INCHES IN
•
ATTACHMENT METHOD: BOLTS
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 845-1889550 ASSY AS
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
VALVE TYPE FOR WHICH DESIGNEDGLOBE
VALVE SIZE FOR WHICH DESIGNED3.000 INCHES IN
ATTACHMENT METHODBOLTS
OVERALL LENGTH7.250 INCHES NOMINAL IN
VALVE MODEL NUMBER FOR WHICH DESIGNED845-1889550 ASSY AS
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
2620-922X1Interchangeable
interchangeable cross-reference
interchangeable
1889561Interchangeable
interchangeable cross-reference
interchangeable
1889561PC41X42XInterchangeable
interchangeable cross-reference
interchangeable
845-1889550Interchangeable
interchangeable cross-reference
interchangeable
2620-922X1ASSYGS5IN PIECE37Interchangeable
interchangeable cross-reference
interchangeable
B-9878-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889550ASSYAS3IN PIECE66?
845-1889550ASSYAS3IN PIECE66 is a CAP,VALVE.
What parts can replace 845-1889550ASSYAS3IN PIECE66?
There are 20 known substitutes for 845-1889550ASSYAS3IN PIECE66: 2620-922X1, 1889561, 1889561PC41X42X and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889550ASSYAS3IN PIECE66?
845-1889550ASSYAS3IN PIECE66 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-132-9148. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026