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Technical Data Sheet
3307931-4 ✓ 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 HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED EXTERNAL HOSE FIRST END, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 0.250 INCHES SECOND END IN, nominal_overall_length: 1.160 INCHES IN, end_item_identification: F-16 AIRCRAFT COMBAT FIGHTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-487-3609, 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
3307931-4
NSN: 4730-01-487-3609
FSC: 4730
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED EXTERNAL HOSE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.250 INCHES SECOND END IN
nominal_overall_length1.160 INCHES IN
end_item_identificationF-16 AIRCRAFT COMBAT FIGHTER
thread_series_designatorNPTF SECOND END
nominal_pipe_size_accommodated0.250 INCHES SECOND END IN
nominal_inside_diameter_hose_accommodated0.125 INCHES FIRST END IN
NSN4730-01-487-3609
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3307931-4 · 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
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
NOMINAL OVERALL LENGTH: 1.160 INCHES IN
THREAD SERIES DESIGNATOR: NPTF SECOND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.125 INCHES FIRST END IN
CONNECTION STYLE: PLAIN (PIPE) SECOND END
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
NOMINAL OVERALL LENGTH1.160 INCHES IN
END ITEM IDENTIFICATIONF-16 AIRCRAFT COMBAT FIGHTER
THREAD SERIES DESIGNATORNPTF SECOND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.125 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
MATERIALCOPPER ALLOY OVERALL
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
CONNECTION STYLEINSERT (HOSE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
12RTXSInterchangeable
interchangeable cross-reference
interchangeable
12-12 070424CAInterchangeable
interchangeable cross-reference
interchangeable
2605-12-12-12Interchangeable
interchangeable cross-reference
interchangeable
3307931Interchangeable
interchangeable cross-reference
interchangeable
102-0606Interchangeable
interchangeable cross-reference
interchangeable
3307931-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3307931-4?
3307931-4 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 3307931-4?
There are 15 known substitutes for 3307931-4: 12RTXS, 12-12 070424CA, 2605-12-12-12 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3307931-4?
3307931-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-487-3609. This indicates validated use in U.S. government and defense supply chains.
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