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Technical Data Sheet
PartsTable / COMPONENT / 845-1889587ASSYD 1/2IN
845-1889587ASSYD 1/2IN ✓ 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 845-1889587ASSYD 1/2IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-156-8235, 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
845-1889587ASSYD 1/2IN
NSN: 4820-01-156-8235
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number845-1889587ASSYD 1/2IN
NSN4820-01-156-8235
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-1889587ASSYD 1/2IN · 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
•
STYLE DESIGNATOR: ANGLE
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE PACKING
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
MAXIMUM OPERATING TEMP: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION STYLE: SOCKET WITH BRAZING RING (TUBE) ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORANGLE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLESOCKET WITH BRAZING RING (TUBE) ALL ENDS
VALVE OPERATION METHODMANUAL
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SPECIAL FEATURESLEVEL I REQUIREMENTS DO NOT APPLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2620-902-27-1INInterchangeable
interchangeable cross-reference
interchangeable
302352Interchangeable
interchangeable cross-reference
interchangeable
2620-902Interchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYD1-2INInterchangeable
interchangeable cross-reference
interchangeable
SS845-1889587ASSYD1-2INInterchangeable
interchangeable cross-reference
interchangeable
803-2177934-X53X-9-12-14-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889587ASSYD 1/2IN?
845-1889587ASSYD 1/2IN is a 845-1889587ASSYD 1/2IN.
What parts can replace 845-1889587ASSYD 1/2IN?
There are 14 known substitutes for 845-1889587ASSYD 1/2IN: 2620-902-27-1IN, 302352, 2620-902 and 11 more. Substitute compatibility should be verified for your specific system.
Is 845-1889587ASSYD 1/2IN still available?
845-1889587ASSYD 1/2IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026