PartsTable
Technical Data Sheet
678-24D ✓ 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,STRAIGHT,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY SOCKET, flow_angle: 45.0 DEGREES, leg_length: 2.859 INCHES MINIMUM AND 3.703 INCHES MAXIMUM SECOND END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-652-1802, 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
678-24D
NSN: 4730-00-652-1802
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY SOCKET
flow_angle45.0 DEGREES
leg_length2.859 INCHES MINIMUM AND 3.703 INCHES MAXIMUM SECOND END IN
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleGRIPPING NIPPLE (NOSE) SECOND END
surface_treatmentANODIZE OVERALL
nominal_thread_size1.875 INCHES FIRST END IN
end_item_identificationAIRCRAFT APPLICATION
media_for_which_designedFLUID SINGLE RESPONSE
thread_quantity_per_inch12 FIRST END
NSN4730-00-652-1802
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 678-24D · 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
SURFACE TREATMENT: ANODIZE OVERALL
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
FURNISHED ITEMS AND QUANTITY: 1 SOCKET
CONNECTION STYLE: GRIPPING NIPPLE (NOSE) SECOND END
MATERIAL: ALUMINUM ALLOY SOCKET
THREAD CLASS: 3B FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.375 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTANODIZE OVERALL
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
FURNISHED ITEMS AND QUANTITY1 SOCKET
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
END ITEM IDENTIFICATIONAIRCRAFT APPLICATION
MATERIALALUMINUM ALLOY SOCKET
THREAD CLASS3B FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.375 INCHES SECOND END IN
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL THREAD SIZE1.875 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
136-2045-16DInterchangeable
interchangeable cross-reference
interchangeable
25636-16-16DInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-83798/6Interchangeable
interchangeable cross-reference
interchangeable
M83798/6-16Interchangeable
interchangeable cross-reference
interchangeable
136-1045-6DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 678-24D?
678-24D is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 678-24D?
There are 27 known substitutes for 678-24D: 136-2045-16D, 25636-16-16D, MIL-DTL-83798 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 678-24D?
678-24D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-652-1802. This indicates validated use in U.S. government and defense supply chains.
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