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Technical Data Sheet
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D20840 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

PARTS KIT,HYDRAULIC BRAKE WHEEL. Key specifications include material: STEEL CORROSION RESISTING WORKING PARTS, body_design: STRAIGHT PATTERN, design_type: PULSATING, flange_thickness: 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, flange_facing_type: RAISED LOCATION NOT OTHERWISE SPECIFIED, inlet_connection_type: FLANGED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-032-1522, 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
D20840
NSN: 4730-00-032-1522
FSC: 4730
CAGE: 66850 — PENTAIR VALVES & CONTROLS US LP DIV PENTAIR FLOW CONTROL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING WORKING PARTS
body_designSTRAIGHT PATTERN
design_typePULSATING
flange_thickness0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
flange_facing_typeRAISED LOCATION NOT OTHERWISE SPECIFIED
inlet_connection_typeFLANGED
outlet_connection_typeFLANGED
flange_outside_diameter4.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
flange_bolt_hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
flange_bolt_hole_quantity4 LOCATION NOT OTHERWISE SPECIFIED
flange_bolt_circle_diameter3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
rated_capacity_at_maximum_working_pressure5175.000 POUNDS OF WATER PER HOUR LBS
NSN4730-00-032-1522
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: D20840 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INLET CONNECTION TYPE: FLANGED
•
MATERIAL: STEEL BODY
•
FLANGE FACING TYPE: RAISED LOCATION NOT OTHERWISE SPECIFIED
•
FLANGE BOLT CIRCLE DIAMETER: 3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
RATED CAPACITY AT MAXIMUM WORKING PRESSURE: 5175.000 POUNDS OF WATER PER HOUR LBS
•
OUTLET CONNECTION TYPE: FLANGED
•
FLANGE BOLT HOLE DIAMETER: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
INLET CONNECTION TYPEFLANGED
MATERIALSTEEL BODY
FLANGE FACING TYPERAISED LOCATION NOT OTHERWISE SPECIFIED
FLANGE BOLT CIRCLE DIAMETER3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
RATED CAPACITY AT MAXIMUM WORKING PRESSURE5175.000 POUNDS OF WATER PER HOUR LBS
MATERIALSTEEL CORROSION RESISTING WORKING PARTS
OUTLET CONNECTION TYPEFLANGED
FLANGE BOLT HOLE DIAMETER0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
FLANGE BOLT HOLE QUANTITY4 LOCATION NOT OTHERWISE SPECIFIED
FLANGE OUTSIDE DIAMETER4.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
K8416Interchangeable
interchangeable cross-reference
interchangeable
115Interchangeable
interchangeable cross-reference
interchangeable
84-SInterchangeable
interchangeable cross-reference
interchangeable
84-S 3/4MX1-1/4F-50Interchangeable
interchangeable cross-reference
interchangeable
84-4S 3/4X1-1/4-50Interchangeable
interchangeable cross-reference
interchangeable
D20721Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D20840?
D20840 is a PARTS KIT,HYDRAULIC BRAKE WHEEL.
What parts can replace D20840?
There are 8 known substitutes for D20840: K8416, 115, 84-S and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D20840?
D20840 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-032-1522. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026