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3418AS6501 ✓ 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,HOSE TO BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, operating_pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.125 INCHES SECOND END IN, nominal_overall_length: 0.562 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 4730-01-462-9134, 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
3418AS6501
NSN: 4730-01-462-9134
FSC: 4730
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES SECOND END IN
nominal_overall_length0.562 INCHES IN
end_item_identificationHYDRAULIC PRESSURE UNIT, PMEL CALIBRATION EQUIPMENT
nominal_outside_diameter0.2005 INCHES FIRST END IN
thread_quantity_per_inch32 SECOND END
thread_series_designatorNPT SECOND END
nominal_width_across_flats0.250 INCHES FIRST END IN
furnished_items_and_quantity1 GASKET
NSN4730-01-462-9134
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3418AS6501 · 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 WIDTH ACROSS FLATS: 0.250 INCHES FIRST END IN
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
NOMINAL OUTSIDE DIAMETER: 0.2005 INCHES FIRST END IN
•
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.125 INCHES SECOND END IN
•
FURNISHED ITEMS AND QUANTITY: 1 GASKET
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL WIDTH ACROSS FLATS0.250 INCHES FIRST END IN
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL OUTSIDE DIAMETER0.2005 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES FIRST END IN
SPECIAL FEATURESGASKET MATERIAL IS ALUMINUM COATED RUBBER; ITEM SOLD IN BAGS 10; WIDTH OF HEX IS 0.094 IN; PART NAME FOR CAGE 2J641 IS ADPT, 10-32 THD X .180 BARB AND CAGE 24522 IS BARBED FITTING FOR 1/4 IN O.D. TUBING AND CAGE 0J7H0 IS FITTING, BAG OF 10 IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
FURNISHED ITEMS AND QUANTITY1 GASKET
THREAD SERIES DESIGNATORNPT SECOND END
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
3-997-03Interchangeable
interchangeable cross-reference
interchangeable
BF1Interchangeable
interchangeable cross-reference
interchangeable
2U500Interchangeable
interchangeable cross-reference
interchangeable
86AInterchangeable
interchangeable cross-reference
interchangeable
75-030Interchangeable
interchangeable cross-reference
interchangeable
10-2604Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3418AS6501?
3418AS6501 is a ADAPTER,STRAIGHT,HOSE TO BOSS.
What parts can replace 3418AS6501?
There are 10 known substitutes for 3418AS6501: 3-997-03, BF1, 2U500 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3418AS6501?
3418AS6501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-462-9134. 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