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Technical Data Sheet
PartsTable / COMPONENT / 570861
570861 ✓ 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 ADAPTER,HYDRAULIC PUMP is a the manufacturer industrial component. Key specifications include fsc_application_data: AIRCRAFT HYDRAULIC SYSTEM, end_item_identification: C5B AIRCRAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-287-1604, 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
570861
NSN: 4730-00-287-1604
FSC: 4730
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
fsc_application_dataAIRCRAFT HYDRAULIC SYSTEM
end_item_identificationC5B AIRCRAFT
NSN4730-00-287-1604
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 570861 · 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
•
NOMINAL THREAD SIZE: 0.125 INCHES SECOND END IN
•
LEG LENGTH: 0.688 INCHES NOMINAL SECOND END IN
•
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
LEG LENGTH0.688 INCHES NOMINAL SECOND END IN
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATORUNF FIRST END
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
THREAD SERIES DESIGNATORNPTF SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
THREAD CLASS2A FIRST END A
FURNISHED ITEMS AND QUANTITY1 SHORT COUPLING NUT AND 1 COUPLING SLEEVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5043-2Interchangeable
interchangeable cross-reference
interchangeable
5043-12Interchangeable
interchangeable cross-reference
interchangeable
MS39182-2Interchangeable
interchangeable cross-reference
interchangeable
469-F-06X02Interchangeable
interchangeable cross-reference
interchangeable
38TB10Interchangeable
interchangeable cross-reference
interchangeable
601-GP-10-NHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 570861?
570861 is a ADAPTER,HYDRAULIC PUMP.
What parts can replace 570861?
There are 15 known substitutes for 570861: 5043-2, 5043-12, MS39182-2 and 12 more. Substitute compatibility should be verified for your specific system.
Is 570861 still available?
570861 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