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800673 ✓ 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 ACCESSORY KIT,MAST is a the manufacturer industrial component. Key specifications include valve_operation_method: AUTOMATIC, end_item_identification: 5985-01-549-4609; MAST SECTION, part_name_assigned_by_controlling_agency: TEAMS AN/MRC-142A KIT A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-477-3315, 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
800673
NSN: 4820-01-477-3315
FSC: 4820
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
special_features28.6 LBS; CONTAINS: 800678 LIST OF CONTENTS; 800676 ANTENNA BOOM; 200076 ADAPTER ASSEMBLY AND 800674 BAG, 650 X 330 X 200 LBS
valve_operation_methodAUTOMATIC
end_item_identification5985-01-549-4609; MAST SECTION
part_name_assigned_by_controlling_agencyTEAMS AN/MRC-142A KIT A
NSN4820-01-477-3315
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 800673 · 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
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
800673Interchangeable
interchangeable cross-reference
interchangeable
310416Interchangeable
interchangeable cross-reference
interchangeable
CV38-20-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 800673?
800673 is a ACCESSORY KIT,MAST.
What parts can replace 800673?
There are 3 known substitutes for 800673: 800673, 310416, CV38-20-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 800673?
800673 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-477-3315. 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