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Technical Data Sheet
PartsTable / COMPONENT / L4515
L4515 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.812 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) ALL ENDS, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-6600, 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
L4515
NSN: 4730-00-277-6600
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flow_angle90.0 DEGREES
leg_length0.812 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) ALL ENDS
surface_treatmentPASSIVATE OVERALL
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp260.0 FAHRENHEIT SECOND RESPONSE DEGF
media_for_which_designedGAS FIRST RESPONSE
thread_series_designatorNPT ALL ENDS
nominal_pipe_size_accommodated0.250 INCHES ALL ENDS IN
NSN4730-00-277-6600
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: L4515 · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
FLOW ANGLE: 90.0 DEGREES
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SECOND RESPONSE
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
•
MAXIMUM OPERATING TEMP: 260.0 FAHRENHEIT SECOND RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
FLOW ANGLE90.0 DEGREES
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SECOND RESPONSE
SURFACE TREATMENTPASSIVATE OVERALL
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
MAXIMUM OPERATING TEMP260.0 FAHRENHEIT SECOND RESPONSE DEGF
LEG LENGTH0.812 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
405606-1Interchangeable
interchangeable cross-reference
interchangeable
143136002Interchangeable
interchangeable cross-reference
interchangeable
54732-31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L4515?
L4515 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace L4515?
There are 3 known substitutes for L4515: 405606-1, 143136002, 54732-31. Substitute compatibility should be verified for your specific system.
What is the NSN for L4515?
L4515 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-6600. 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