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PartsTable / COMPONENT / 50915K615
50915K615 ✓ 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

SLEEVE,COMPRESSION,TUBE-HOSE FIT. Key specifications include material: COPPER ALLOY, overall_length: 0.250 INCHES NOMINAL IN, style_designator: DOUBLE BEVELED FLARELESS, casehardening_indicator: NOT CASEHARDENED, sleeve_outside_diameter: 0.469 INCHES NOMINAL IN, hose/tube_outside_diameter_for_which_designed: 0.375 INCHES NOMINAL 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 4730-00-764-6380, 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
50915K615
NSN: 4730-00-764-6380
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length0.250 INCHES NOMINAL IN
style_designatorDOUBLE BEVELED FLARELESS
casehardening_indicatorNOT CASEHARDENED
sleeve_outside_diameter0.469 INCHES NOMINAL IN
hose/tube_outside_diameter_for_which_designed0.375 INCHES NOMINAL IN
NSN4730-00-764-6380
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 50915K615 · 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
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE BEVELED FLARELESS
•
SLEEVE OUTSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.375 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE BEVELED FLARELESS
SLEEVE OUTSIDE DIAMETER0.469 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
CASEHARDENING INDICATORNOT CASEHARDENED
OVERALL LENGTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
148BInterchangeable
interchangeable cross-reference
interchangeable
7M21AUInterchangeable
interchangeable cross-reference
interchangeable
9113481Interchangeable
interchangeable cross-reference
interchangeable
7679Interchangeable
interchangeable cross-reference
interchangeable
56B12945Interchangeable
interchangeable cross-reference
interchangeable
MILM8609Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50915K615?
50915K615 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT.
What parts can replace 50915K615?
There are 13 known substitutes for 50915K615: 148B, 7M21AU, 9113481 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50915K615?
50915K615 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-764-6380. 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