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2620-902ASSYB PIECE24 1-2IN — Technical Data Sheet

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— · 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: COPPER ALLOY, attachment_method: RETAINING RING, valve_size_for_which_designed: 0.500 INCHES IN, valve_type_for_which_designed: LIFT-CHECK, valve_model_number_for_which_designed: 2620-902 ASSY B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-113-0783, 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
2620-902ASSYB PIECE24 1-2IN
NSN: 4820-01-113-0783
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialCOPPER ALLOY
attachment_methodRETAINING RING
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedLIFT-CHECK
valve_model_number_for_which_designed2620-902 ASSY B
NSN4820-01-113-0783
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2620-902ASSYB PIECE24 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
•
ATTACHMENT METHOD: RETAINING RING
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
VALVE TYPE FOR WHICH DESIGNED: LIFT-CHECK
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 2620-902 ASSY B
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
ATTACHMENT METHODRETAINING RING
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
VALVE TYPE FOR WHICH DESIGNEDLIFT-CHECK
VALVE MODEL NUMBER FOR WHICH DESIGNED2620-902 ASSY B
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
C38476InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SS845-1889587InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SC3549 3-4INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2620-902 ASSY CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
845-1889587ASSYCFInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2620-902InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2620-902ASSYB PIECE24 1-2IN?
2620-902ASSYB PIECE24 1-2IN is a LOCKNUT,TUBE FITTING.
What parts can replace 2620-902ASSYB PIECE24 1-2IN?
There are 28 known substitutes for 2620-902ASSYB PIECE24 1-2IN: C38476, SS845-1889587, SC3549 3-4IN and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2620-902ASSYB PIECE24 1-2IN?
2620-902ASSYB PIECE24 1-2IN is cataloged in the Federal Logistics Information System under NSN 4820-01-113-0783. 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: September 2026