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556-7108811 PART 12 — MANIFOLD ASSEMBLY,HYDRAULIC

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

556-7108811 PART 12: MANIFOLD ASSEMBLY,HYDRAULIC.

The MANIFOLD ASSEMBLY,HYDRAULIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, special_features: GOES ON .25 X .50 3 PORT 2 POSITION VALVE ASSEMBLY, port_configuration: ANGLE, spherical_diameter: 1.125 INCHES NOMINAL IN, end_item_identification: NHA HYDRAULIC MANIFOLD ASSEMBLY; TORP TUBE; NSSN CLASS SUBMARINE, material_document_and_classification: QQ-S-763 CL-304 COND-A FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-474-3312, 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
556-7108811 PART 12
NSN: 4820-01-474-3312
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304
port_quantity3
special_featuresGOES ON .25 X .50 3 PORT 2 POSITION VALVE ASSEMBLY
port_configurationANGLE
spherical_diameter1.125 INCHES NOMINAL IN
end_item_identificationNHA HYDRAULIC MANIFOLD ASSEMBLY; TORP TUBE; NSSN CLASS SUBMARINE
material_document_and_classificationQQ-S-763 CL-304 COND-A FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-474-3312
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 556-7108811 PART 12 · 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
•
SPHERICAL DIAMETER: 1.125 INCHES NOMINAL IN
•
PORT CONFIGURATION: ANGLE
•
PORT QUANTITY: 3
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 CL-304 COND-A FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 304
TECHNICAL CHARACTERISTICS
SPHERICAL DIAMETER1.125 INCHES NOMINAL IN
PORT CONFIGURATIONANGLE
PORT QUANTITY3
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 CL-304 COND-A FED SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESGOES ON .25 X .50 3 PORT 2 POSITION VALVE ASSEMBLY
END ITEM IDENTIFICATIONNHA HYDRAULIC MANIFOLD ASSEMBLY; TORP TUBE; NSSN CLASS SUBMARINE
MATERIALSTEEL COMP 304
SUBSTITUTES & CROSS-REFERENCES 1
7108811Reference 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 556-7108811 PART 12?
556-7108811 PART 12 is a MANIFOLD ASSEMBLY,HYDRAULIC.
What parts can replace 556-7108811 PART 12?
There is 1 known substitute for 556-7108811 PART 12: 7108811. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-7108811 PART 12?
556-7108811 PART 12 is cataloged in the U.S. Government catalog under NSN 4820-01-474-3312. 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.