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Technical Data Sheet
PartsTable / COMPONENT / 703730F
703730F ✓ 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,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) ALL ENDS, nominal_thread_size: 0.563 INCHES SECOND END IN, end_item_identification: 3930-01-599-9978, thread_series_designator: NPTF SECOND 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 4730-01-621-1921, 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
703730F
NSN: 4730-01-621-1921
FSC: 4730
CAGE: AL48N — HYDRASPECMA AB (SWE)
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) ALL ENDS
nominal_thread_size0.563 INCHES SECOND END IN
end_item_identification3930-01-599-9978
thread_series_designatorNPTF SECOND END
NSN4730-01-621-1921
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 703730F · 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 6
SOG0904SBInterchangeable
interchangeable cross-reference
interchangeable
CC-0009520Interchangeable
interchangeable cross-reference
interchangeable
180126Interchangeable
interchangeable cross-reference
interchangeable
703732FInterchangeable
interchangeable cross-reference
interchangeable
CC-0009528Interchangeable
interchangeable cross-reference
interchangeable
707778FInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 703730F?
703730F is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 703730F?
There are 6 known substitutes for 703730F: SOG0904SB, CC-0009520, 180126 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 703730F?
703730F is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-621-1921. 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