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Technical Data Sheet
PartsTable / COMPONENT / 592-6383569
592-6383569 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 1.500 INCHES NOMINAL IN, end_item_identification: MK4 DIVERS BUOYANCY COMPENSATOR NON MAG, stem_actuating_end_type: THREADED EXTERNALLY, material_document_and_classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-344-4480, 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
592-6383569
NSN: 4820-01-344-4480
FSC: 4820
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length1.500 INCHES NOMINAL IN
end_item_identificationMK4 DIVERS BUOYANCY COMPENSATOR NON MAG
stem_actuating_end_typeTHREADED EXTERNALLY
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-344-4480
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 592-6383569 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
STEM ACTUATING END TYPETHREADED EXTERNALLY
END ITEM IDENTIFICATIONMK4 DIVERS BUOYANCY COMPENSATOR NON MAG
OVERALL LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
60250DInterchangeable
interchangeable cross-reference
interchangeable
266735R91Interchangeable
interchangeable cross-reference
interchangeable
50132Interchangeable
interchangeable cross-reference
interchangeable
G260004S5Interchangeable
interchangeable cross-reference
interchangeable
DMS 88059BInterchangeable
interchangeable cross-reference
interchangeable
G260004S7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 592-6383569?
592-6383569 is a STEM,FLUID VALVE.
What parts can replace 592-6383569?
There are 11 known substitutes for 592-6383569: 60250D, 266735R91, 50132 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 592-6383569?
592-6383569 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-344-4480. 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