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PartsTable / COMPONENT / 582R056H02
582R056H02 ✓ 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,SAFETY RELIEF is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-033-8464, 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
582R056H02
NSN: 4820-01-033-8464
FSC: 4820
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
Part Number582R056H02
NSN4820-01-033-8464
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 582R056H02 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5120-00-224-7271Interchangeable
interchangeable cross-reference
interchangeable
GGG-V-412Interchangeable
interchangeable cross-reference
interchangeable
GGG-V-412 TY2CL1Interchangeable
interchangeable cross-reference
interchangeable
166AInterchangeable
interchangeable cross-reference
interchangeable
7063983Interchangeable
interchangeable cross-reference
interchangeable
582R056Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 582R056H02?
582R056H02 is a VALVE,SAFETY RELIEF.
What parts can replace 582R056H02?
There are 10 known substitutes for 582R056H02: 5120-00-224-7271, GGG-V-412, GGG-V-412 TY2CL1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 582R056H02?
582R056H02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-033-8464. 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