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PartsTable / COMPONENT / 845-2050997ASSYB1-4IN
845-2050997ASSYB1-4IN ✓ 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 VALVE,BALL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, valve_operation_method: MANUAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-1306, 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
845-2050997ASSYB1-4IN
NSN: 4820-01-091-1306
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodMANUAL
nominal_pipe_size_accommodated0.250 INCHES ALL ENDS IN
NSN4820-01-091-1306
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 845-2050997ASSYB1-4IN · 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
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
CONNECTION STYLE: SOCKET ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS IN
VALVE OPERATION METHODMANUAL
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
2050997Interchangeable
interchangeable cross-reference
interchangeable
2640-611Interchangeable
interchangeable cross-reference
interchangeable
2640-611PIECE32 1-4IPSInterchangeable
interchangeable cross-reference
interchangeable
SS845-2050997ASSYB PIECE 13Interchangeable
interchangeable cross-reference
interchangeable
SS845-2050997Interchangeable
interchangeable cross-reference
interchangeable
2640-611 ASSYB PIECE 13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-2050997ASSYB1-4IN?
845-2050997ASSYB1-4IN is a VALVE,BALL.
What parts can replace 845-2050997ASSYB1-4IN?
There are 12 known substitutes for 845-2050997ASSYB1-4IN: 2050997, 2640-611, 2640-611PIECE32 1-4IPS and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-2050997ASSYB1-4IN?
845-2050997ASSYB1-4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-1306. 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