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PartsTable / COMPONENT / 845-1889568ASSY
845-1889568ASSY ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, special_features: NEXT HIGHER ASSY; VALVE,GLOBE, end_item_identification: W/S STURGEON CLASS SSN, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 1.5000 INCHES IN, valve_type_for_which_designed: GLOBE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-463-9038, 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
845-1889568ASSY
NSN: 4820-01-463-9038
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
special_featuresNEXT HIGHER ASSY; VALVE,GLOBE
end_item_identificationW/S STURGEON CLASS SSN
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed1.5000 INCHES IN
valve_type_for_which_designedGLOBE
NSN4820-01-463-9038
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889568ASSY · 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
•
MATERIAL: NICKEL ALLOY
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE SIZE FOR WHICH DESIGNED: 1.5000 INCHES IN
•
VALVE TYPE FOR WHICH DESIGNED: GLOBE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY
STEM ACTUATING END TYPETHREADED EXTERNALLY
END ITEM IDENTIFICATIONW/S STURGEON CLASS SSN
VALVE SIZE FOR WHICH DESIGNED1.5000 INCHES IN
VALVE TYPE FOR WHICH DESIGNEDGLOBE
SPECIAL FEATURESNEXT HIGHER ASSY; VALVE,GLOBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1889568Interchangeable
interchangeable cross-reference
interchangeable
2620-902X6 ASSEMBLY C 1/2INInterchangeable
interchangeable cross-reference
interchangeable
1889568 ASSEMBLY C 1/2INInterchangeable
interchangeable cross-reference
interchangeable
1889568 ASSY CFInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889568ASSY?
845-1889568ASSY is a STEM,FLUID VALVE.
What parts can replace 845-1889568ASSY?
There are 4 known substitutes for 845-1889568ASSY: 1889568, 2620-902X6 ASSEMBLY C 1/2IN, 1889568 ASSEMBLY C 1/2IN and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889568ASSY?
845-1889568ASSY is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-463-9038. 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