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Technical Data Sheet
PartsTable / COMPONENT / A56A
A56A ✓ 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

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include body_height: 0.160 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, features_provided: BURN IN, MIL-STD-883, CLASS B AND HIGH FREQUENCY AND HYBRID AND RELIABILITY SCREENING REQUIRED, inclosure_material: METAL, operating_temp_range: -54.0 TO 85.0 CELSIUS DEGC, body_outside_diameter: 0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, end_item_identification: FLUSH VALVE,SLOAN,ROYAL FLUSH MODELS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-217-7335, 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
A56A
NSN: 4820-00-217-7335
FSC: 4820
CAGE: 80850 — INTERLINE BRANDS, INC. DBA J. A. SEXAUER (USA)
SPECIFICATIONS
body_height0.160 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
features_providedBURN IN, MIL-STD-883, CLASS B AND HIGH FREQUENCY AND HYBRID AND RELIABILITY SCREENING REQUIRED
inclosure_materialMETAL
operating_temp_range-54.0 TO 85.0 CELSIUS DEGC
body_outside_diameter0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
end_item_identificationFLUSH VALVE,SLOAN,ROYAL FLUSH MODELS
inclosure_configurationCAN
media_for_which_designedWATER
design_function_and_quantity1 AMPLIFIER, RADIO FREQUENCY
NSN4820-00-217-7335
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A56A · 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
•
MEDIA FOR WHICH DESIGNED: WATER
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER
END ITEM IDENTIFICATIONFLUSH VALVE,SLOAN,ROYAL FLUSH MODELS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
QD1Interchangeable
interchangeable cross-reference
interchangeable
3301170Interchangeable
interchangeable cross-reference
interchangeable
13110082Interchangeable
interchangeable cross-reference
interchangeable
SM80-0847Interchangeable
interchangeable cross-reference
interchangeable
PA-6320Interchangeable
interchangeable cross-reference
interchangeable
090-225Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A56A?
A56A is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace A56A?
There are 12 known substitutes for A56A: QD1, 3301170, 13110082 and 9 more. Substitute compatibility should be verified for your specific system.
Is A56A still available?
A56A 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: July 2026