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B521-130329-0000 — Technical Data Sheet

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— · 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,FLOAT is a the manufacturer industrial component. Key specifications include mounting_facility: LUG(S), flow_control_device: BALL, valve_operation_method: AUTOMATIC. This part is cataloged in the Federal Logistics Information System under NSN 4820-01-025-5818, 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
B521-130329-0000
NSN: 4820-01-025-5818
FSC: 4820
CAGE: 42280 — GARDNER DENVER NASH LLC DBA GARDNER DENVER ENGINEERED PRODUCTS GROUP DIV GARDNER DENVER NASH (USA)
SPECIFICATIONS
mounting_facilityLUG(S)
flow_control_deviceBALL
valve_operation_methodAUTOMATIC
NSN4820-01-025-5818
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B521-130329-0000 · 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
•
MOUNTING FACILITY: LUG(S)
•
FLOW CONTROL DEVICE: BALL
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
MOUNTING FACILITYLUG(S)
FLOW CONTROL DEVICEBALL
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
943-7532InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-468InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RR-S-131InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RR-K-260InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RR-K-260 TY4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
U521-130329-0000InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B521-130329-0000?
B521-130329-0000 is a VALVE,FLOAT.
What parts can replace B521-130329-0000?
There are 10 known substitutes for B521-130329-0000: 943-7532, A-A-468, RR-S-131 and 7 more. Substitute compatibility should be verified for your specific system.
Is B521-130329-0000 still available?
B521-130329-0000 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026