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556-7015838-15 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

556-7015838-15: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, overall_length: 5.580 INCHES NOMINAL IN, special_features: 2.000 DIA., end_item_identification: E/I:MANIFOLD ASSY.W/S:LOS ANGELES CLASS SSN (688), stem_actuating_end_type: SQUARE, valve_size_for_which_designed: 4.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-494-0596, 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
556-7015838-15
NSN: 4820-01-494-0596
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_length5.580 INCHES NOMINAL IN
special_features2.000 DIA.
end_item_identificationE/I:MANIFOLD ASSY.W/S:LOS ANGELES CLASS SSN (688)
stem_actuating_end_typeSQUARE
valve_size_for_which_designed4.500 INCHES IN
valve_type_for_which_designedBALL
NSN4820-01-494-0596
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 556-7015838-15 · 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 TYPE FOR WHICH DESIGNED: BALL
•
STEM ACTUATING END TYPE: SQUARE
•
VALVE SIZE FOR WHICH DESIGNED: 4.500 INCHES IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
STEM ACTUATING END TYPESQUARE
OVERALL LENGTH5.580 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED4.500 INCHES IN
SPECIAL FEATURES2.000 DIA.
END ITEM IDENTIFICATIONE/I:MANIFOLD ASSY.W/S:LOS ANGELES CLASS SSN (688)
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
7015838Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 556-7015838-15?
556-7015838-15 is a STEM,FLUID VALVE.
What parts can replace 556-7015838-15?
There is 1 known substitute for 556-7015838-15: 7015838. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-7015838-15?
556-7015838-15 is cataloged in the U.S. Government catalog under NSN 4820-01-494-0596. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.