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PartsTable / COMPONENT / SS845-1889550 PIECE 50 2 1/2IN
SS845-1889550 PIECE 50 2 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 SS845-1889550 PIECE 50 2 1/2IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-184-4414, 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
SS845-1889550 PIECE 50 2 1/2IN
NSN: 4820-01-184-4414
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part NumberSS845-1889550 PIECE 50 2 1/2IN
NSN4820-01-184-4414
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS845-1889550 PIECE 50 2 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
60-5453Interchangeable
interchangeable cross-reference
interchangeable
BAC1503-10Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
700600448Interchangeable
interchangeable cross-reference
interchangeable
SS845-1889550Interchangeable
interchangeable cross-reference
interchangeable
2620-922X1PC39 3INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS845-1889550 PIECE 50 2 1/2IN?
SS845-1889550 PIECE 50 2 1/2IN is a SS845-1889550 PIECE 50 2 1/2IN.
What parts can replace SS845-1889550 PIECE 50 2 1/2IN?
There are 23 known substitutes for SS845-1889550 PIECE 50 2 1/2IN: 60-5453, BAC1503-10, ASTM B221 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-1889550 PIECE 50 2 1/2IN?
SS845-1889550 PIECE 50 2 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-184-4414. 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