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Technical Data Sheet
PartsTable / COMPONENT / 58320-1
58320-1 ✓ 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 CARTRIDGE,CHECK VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, valve_size: 1.250 INCHES IN, port_diameter: 1.000 INCHES NOMINAL IN, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, maximum_operating_temp: 225.0 FAHRENHEIT DEGF, thread_size_and_series/type_designator: 1 1/4-11 1/2 NPT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-450-9840, 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
58320-1
NSN: 4820-00-450-9840
FSC: 4820
CAGE: 84075 — MCKIERNAN-TERRY MARINE DIV OF LITTON SYSTEMS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
valve_size1.250 INCHES IN
port_diameter1.000 INCHES NOMINAL IN
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
maximum_operating_temp225.0 FAHRENHEIT DEGF
thread_size_and_series/type_designator1 1/4-11 1/2 NPT
NSN4820-00-450-9840
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 58320-1 · 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
•
PORT DIAMETER: 1.000 INCHES NOMINAL IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1 1/4-11 1/2 NPT
•
MAXIMUM OPERATING TEMP: 225.0 FAHRENHEIT DEGF
•
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
VALVE SIZE: 1.250 INCHES IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
PORT DIAMETER1.000 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR1 1/4-11 1/2 NPT
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT DEGF
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
VALVE SIZE1.250 INCHES IN
MATERIALCOPPER ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2006 6Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
44476Interchangeable
interchangeable cross-reference
interchangeable
6656Interchangeable
interchangeable cross-reference
interchangeable
L853NSH1PC313Interchangeable
interchangeable cross-reference
interchangeable
066563Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 58320-1?
58320-1 is a CARTRIDGE,CHECK VALVE.
What parts can replace 58320-1?
There are 17 known substitutes for 58320-1: 2006 6, GGG-D-751 TYC, 44476 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 58320-1?
58320-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-450-9840. 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