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PartsTable / COMPONENT / 44Z639D2
44Z639D2 ✓ 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

The COMPENSATOR ASSEMBLY,AIRCRAFT is a the manufacturer industrial component. Key specifications include prime_mover_type: GASOLINE ENGINE, features_provided: SELF-PRIMING, discharge_pressure: 70.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES, intake_connection_type: THREADED EXTERNAL, centrifugal_pump_design: RADIAL FLOW, discharge_connection_type: THREADED EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-819-3737, 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
44Z639D2
NSN: 4730-00-819-3737
FSC: 4730
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
pump_quantity1
stage_quantity1
prime_mover_typeGASOLINE ENGINE
features_providedSELF-PRIMING
discharge_pressure70.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
prime_mover_quantity1
intake_connection_typeTHREADED EXTERNAL
centrifugal_pump_designRADIAL FLOW
discharge_connection_typeTHREADED EXTERNAL
intake_connection_quantity1
prime_mover_cooling_mediumAIR
maximum_discharge_flow_rate40.0 GALLONS PER MINUTE
NSN4730-00-819-3737
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 44Z639D2 · 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 13
100144Interchangeable
interchangeable cross-reference
interchangeable
10265-4Interchangeable
interchangeable cross-reference
interchangeable
PT300-4-10Interchangeable
interchangeable cross-reference
interchangeable
100032 REV CInterchangeable
interchangeable cross-reference
interchangeable
5100-274Interchangeable
interchangeable cross-reference
interchangeable
NFES-0600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44Z639D2?
44Z639D2 is a COMPENSATOR ASSEMBLY,AIRCRAFT.
What parts can replace 44Z639D2?
There are 13 known substitutes for 44Z639D2: 100144, 10265-4, PT300-4-10 and 10 more. Substitute compatibility should be verified for your specific system.
Is 44Z639D2 still available?
44Z639D2 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