PartsTable
Technical Data Sheet
3-8-1-4FFSS ✓ 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 REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, reducer_type: CONCENTRIC, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, nominal_thread_size: 0.375 INCHES FIRST END IN, nominal_overall_length: 1.450 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-307-6518, 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
3-8-1-4FFSS
NSN: 4730-00-307-6518
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
reducer_typeCONCENTRIC
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
nominal_thread_size0.375 INCHES FIRST END IN
nominal_overall_length1.450 INCHES IN
thread_series_designatorNPTF FIRST END
nominal_pipe_size_accommodated0.250 INCHES SECOND END IN
NSN4730-00-307-6518
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3-8-1-4FFSS · 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 PIPE SIZE ACCOMMODATED: 0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
CONNECTION STYLE: PLAIN (PIPE) SECOND END
REDUCER TYPE: CONCENTRIC
MATERIAL: STEEL CORROSION RESISTING OVERALL
NOMINAL OVERALL LENGTH: 1.450 INCHES IN
THREAD SERIES DESIGNATOR: NPTF SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
REDUCER TYPECONCENTRIC
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL OVERALL LENGTH1.450 INCHES IN
THREAD SERIES DESIGNATORNPTF SECOND END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
SAE J514-3 6-4 140137CInterchangeable
interchangeable cross-reference
interchangeable
443991Interchangeable
interchangeable cross-reference
interchangeable
5404-6-4Interchangeable
interchangeable cross-reference
interchangeable
161302100Interchangeable
Same NIIN cross-reference
interchangeable
3/8-1/4 FF-SSInterchangeable
Same NIIN cross-reference
interchangeable
2083-6-4SInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-8-1-4FFSS?
3-8-1-4FFSS is a REDUCER,PIPE.
What parts can replace 3-8-1-4FFSS?
There are 6 known substitutes for 3-8-1-4FFSS: SAE J514-3 6-4 140137C, 443991, 5404-6-4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-8-1-4FFSS?
3-8-1-4FFSS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-307-6518. This indicates validated use in U.S. government and defense supply chains.
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