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Technical Data Sheet
PartsTable / COMPONENT / 576-4P-4-320
576-4P-4-320 ✓ 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,VENT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY BODY, thread_class: 2B ALL ENDS, connection_type: THREADED CARTRIDGE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: SCREW-IN CARTRIDGE, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-423-2011, 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
576-4P-4-320
NSN: 4820-01-423-2011
FSC: 4820
CAGE: 10941 — CARVER PUMP COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
thread_class2B ALL ENDS
connection_typeTHREADED CARTRIDGE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorSCREW-IN CARTRIDGE
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.437 INCHES ALL ENDS IN
thread_series_designatorUNF ALL ENDS
NSN4820-01-423-2011
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 576-4P-4-320 · 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
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
THREAD CLASS: 2B ALL ENDS
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
MATERIAL: NICKEL ALLOY BODY
•
NOMINAL THREAD SIZE: 0.437 INCHES ALL ENDS IN
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION TYPE: THREADED CARTRIDGE ALL ENDS
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
THREAD CLASS2B ALL ENDS
STYLE DESIGNATORSCREW-IN CARTRIDGE
MATERIALNICKEL ALLOY BODY
NOMINAL THREAD SIZE0.437 INCHES ALL ENDS IN
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED CARTRIDGE ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
N-999-6082-A-007Interchangeable
interchangeable cross-reference
interchangeable
250-0487-320Interchangeable
interchangeable cross-reference
interchangeable
N-999-6082-A-007 ITEM 42Interchangeable
interchangeable cross-reference
interchangeable
N-999-6082-A-007 ITEM 1Interchangeable
interchangeable cross-reference
interchangeable
224-002Interchangeable
interchangeable cross-reference
interchangeable
N-999-6082-A-007 ITEM 7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 576-4P-4-320?
576-4P-4-320 is a VALVE,VENT.
What parts can replace 576-4P-4-320?
There are 7 known substitutes for 576-4P-4-320: N-999-6082-A-007, 250-0487-320, N-999-6082-A-007 ITEM 42 and 4 more. Substitute compatibility should be verified for your specific system.
Is 576-4P-4-320 still available?
576-4P-4-320 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026