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WPP432 ✓ 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

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include length: 15.746 INCHES MINIMUM AND 15.756 INCHES MAXIMUM OVERALL IN, material: ALUMINUM ALLOY 2024 MOUNTING BRACKET, unit_type: SINGLE ACTION, shaft_style: ROUND, control_type: AIR, shaft_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-3397, 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
WPP432
NSN: 4730-00-278-3397
FSC: 4730
CAGE: 79172 — SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS (USA)
SPECIFICATIONS
length15.746 INCHES MINIMUM AND 15.756 INCHES MAXIMUM OVERALL IN
materialALUMINUM ALLOY 2024 MOUNTING BRACKET
unit_typeSINGLE ACTION
shaft_styleROUND
control_typeAIR
shaft_length1.000 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
overall_length1.281 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE
mounting_methodTHREADED HOLE(S)
overall_diameter3.000 INCHES NOMINAL IN
NSN4730-00-278-3397
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WPP432 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
203064Interchangeable
interchangeable cross-reference
interchangeable
075520Interchangeable
interchangeable cross-reference
interchangeable
311-90090Interchangeable
interchangeable cross-reference
interchangeable
4710000174647Interchangeable
interchangeable cross-reference
interchangeable
103883Interchangeable
interchangeable cross-reference
interchangeable
02744Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WPP432?
WPP432 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace WPP432?
There are 28 known substitutes for WPP432: 203064, 075520, 311-90090 and 25 more. Substitute compatibility should be verified for your specific system.
Is WPP432 still available?
WPP432 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