PartsTable
Technical Data Sheet
LE276-0004-0003 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION, connection_style: EXTERNAL SEAT FOR GASKET SEAL ALL ENDS, special_features: U/O B1B ACFT, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-266-4250, 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
LE276-0004-0003
NSN: 4730-01-266-4250
FSC: 4730
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL BOSS FIRST FLUID END CONNECTION
connection_styleEXTERNAL SEAT FOR GASKET SEAL ALL ENDS
special_featuresU/O B1B ACFT
style_designatorMALE COUPLING HALF
NSN4730-01-266-4250
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LE276-0004-0003 · 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
STYLE DESIGNATOR: MALE COUPLING HALF
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORMALE COUPLING HALF
SPECIAL FEATURESU/O B1B ACFT
CONNECTION TYPEEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL ALL ENDS
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST FLUID END CONNECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
FC2003Interchangeable
interchangeable cross-reference
interchangeable
1025-6Interchangeable
interchangeable cross-reference
interchangeable
SM-B-650699-2Interchangeable
interchangeable cross-reference
interchangeable
559967Interchangeable
interchangeable cross-reference
interchangeable
ASME B16.3Interchangeable
interchangeable cross-reference
interchangeable
613Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LE276-0004-0003?
LE276-0004-0003 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace LE276-0004-0003?
There are 17 known substitutes for LE276-0004-0003: FC2003, 1025-6, SM-B-650699-2 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LE276-0004-0003?
LE276-0004-0003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-266-4250. This indicates validated use in U.S. government and defense supply chains.
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