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Technical Data Sheet
PartsTable / COMPONENT / 1-4FFB
1-4FFB ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, special_features: 0.563 HEX WRENCHING FACILITY, style_designator: CENTER WRENCHING FACILITY, operating_pressure: 3700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.250 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-186-7798, 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
1-4FFB
NSN: 4730-00-186-7798
FSC: 4730
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
special_features0.563 HEX WRENCHING FACILITY
style_designatorCENTER WRENCHING FACILITY
operating_pressure3700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES FIRST END IN
nominal_overall_length1.400 INCHES IN
thread_series_designatorNPT FIRST END
NSN4730-00-186-7798
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1-4FFB · 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 20
AS4860Interchangeable
interchangeable cross-reference
interchangeable
AS4842Interchangeable
interchangeable cross-reference
interchangeable
AN911-8Interchangeable
interchangeable cross-reference
interchangeable
AN911-3KInterchangeable
interchangeable cross-reference
interchangeable
AN911-2DInterchangeable
interchangeable cross-reference
interchangeable
895D91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-4FFB?
1-4FFB is a NIPPLE,PIPE.
What parts can replace 1-4FFB?
There are 20 known substitutes for 1-4FFB: AS4860, AS4842, AN911-8 and 17 more. Substitute compatibility should be verified for your specific system.
Is 1-4FFB still available?
1-4FFB 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