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B525-3025-A4 — DECK BOX OPERATOR,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B525-3025-A4: DECK BOX OPERATOR,VALVE.

The DECK BOX OPERATOR,VALVE is a the manufacturer industrial component. Key specifications include housing_diameter: 3.500 INCHES NOMINAL IN, features_provided: INDICATOR MARKINGS, mounting_facility: SEMIFLUSH, end_item_identification: MANUAL REMOTE OPERATOR VH-42 FOR SEAWOLF CLASS SSN, mounting_flange_diameter: 4.750 INCHES NOMINAL IN, flange_bolt_hole_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-515-7160, 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
B525-3025-A4
NSN: 4820-01-515-7160
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
housing_diameter3.500 INCHES NOMINAL IN
features_providedINDICATOR MARKINGS
mounting_facilitySEMIFLUSH
end_item_identificationMANUAL REMOTE OPERATOR VH-42 FOR SEAWOLF CLASS SSN
mounting_flange_diameter4.750 INCHES NOMINAL IN
flange_bolt_hole_diameter0.250 INCHES NOMINAL IN
mechanical_connection_typeRIGID SHAFT
mounting_flange_bolt_hole_quantity4
part_name_assigned_by_controlling_agencyDECK BOX OPERATOR ASSEMBLY
NSN4820-01-515-7160
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B525-3025-A4 · 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
•
MECHANICAL CONNECTION TYPE: RIGID SHAFT
•
MOUNTING FLANGE BOLT HOLE QUANTITY: 4
•
FLANGE BOLT HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
FEATURES PROVIDED: INDICATOR MARKINGS
•
MOUNTING FACILITY: SEMIFLUSH
•
MOUNTING FLANGE DIAMETER: 4.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MECHANICAL CONNECTION TYPERIGID SHAFT
MOUNTING FLANGE BOLT HOLE QUANTITY4
FLANGE BOLT HOLE DIAMETER0.250 INCHES NOMINAL IN
FEATURES PROVIDEDINDICATOR MARKINGS
MOUNTING FACILITYSEMIFLUSH
PART NAME ASSIGNED BY CONTROLLING AGENCYDECK BOX OPERATOR ASSEMBLY
END ITEM IDENTIFICATIONMANUAL REMOTE OPERATOR VH-42 FOR SEAWOLF CLASS SSN
MOUNTING FLANGE DIAMETER4.750 INCHES NOMINAL IN
HOUSING DIAMETER3.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
B525-3025Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
7409899Reference 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)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is B525-3025-A4?
B525-3025-A4 is a DECK BOX OPERATOR,VALVE.
What parts can replace B525-3025-A4?
There are 2 known substitutes for B525-3025-A4: B525-3025, 7409899. Substitute compatibility should be verified for your specific system.
What is the NSN for B525-3025-A4?
B525-3025-A4 is cataloged in the U.S. Government catalog under NSN 4820-01-515-7160. This indicates validated use in U.S. government and defense supply chains.
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