PartsTable
Technical Data Sheet
2620-902ASSYB1 1-2L1 ✓ 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 LOCKNUT,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY FLOW CONTROL DEVICE, connection_type: UNTHREADED INTERNAL PIPE FIRST END, connection_style: SOCKET WITH BRAZING RING (PIPE) FIRST END, style_designator: ANGLE, mounting_position: HORIZONTAL, flow_control_device: DISK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-943-1014, 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
2620-902ASSYB1 1-2L1
NSN: 4820-00-943-1014
FSC: 4820
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY FLOW CONTROL DEVICE
connection_typeUNTHREADED INTERNAL PIPE FIRST END
connection_styleSOCKET WITH BRAZING RING (PIPE) FIRST END
style_designatorANGLE
mounting_positionHORIZONTAL
flow_control_deviceDISK
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
renewable_seat_ring_typeTHREADED
criticality_code_justificationZZZY
nominal_pipe_size_accommodated1.500 INCHES FIRST END IN
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-00-943-1014
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 2620-902ASSYB1 1-2L1 · 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
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
MOUNTING POSITION: HORIZONTAL
MATERIAL: NICKEL ALLOY STEM
RENEWABLE SEAT RING TYPE: THREADED
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES FIRST END IN
STYLE DESIGNATOR: ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
MOUNTING POSITIONHORIZONTAL
MATERIALNICKEL ALLOY STEM
RENEWABLE SEAT RING TYPETHREADED
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES FIRST END IN
MATERIALCOPPER ALLOY BODY
STYLE DESIGNATORANGLE
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2620-902Interchangeable
interchangeable cross-reference
interchangeable
845-1889587ASSYE1/2INInterchangeable
interchangeable cross-reference
interchangeable
2620-902L1Interchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYCInterchangeable
interchangeable cross-reference
interchangeable
2620-902ASSYB2Interchangeable
interchangeable cross-reference
interchangeable
845-1889587ASSYB2L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2620-902ASSYB1 1-2L1?
2620-902ASSYB1 1-2L1 is a LOCKNUT,TUBE FITTING.
What parts can replace 2620-902ASSYB1 1-2L1?
There are 21 known substitutes for 2620-902ASSYB1 1-2L1: 2620-902, 845-1889587ASSYE1/2IN, 2620-902L1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2620-902ASSYB1 1-2L1?
2620-902ASSYB1 1-2L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-943-1014. This indicates validated use in U.S. government and defense supply chains.
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