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409-50003-7 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include special_features: MEASUREMENT: 120.000 IN. LG.; FINISH: PAINT IN, end_item_identification: AIRCRAFT MODEL E-6A A.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-362-4201, 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
409-50003-7
NSN: 4730-01-362-4201
FSC: 4730
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
special_featuresMEASUREMENT: 120.000 IN. LG.; FINISH: PAINT IN
end_item_identificationAIRCRAFT MODEL E-6A A
NSN4730-01-362-4201
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 409-50003-7 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMEASUREMENT: 120.000 IN. LG.; FINISH: PAINT IN
END ITEM IDENTIFICATIONAIRCRAFT MODEL E-6A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
33015Interchangeable
interchangeable cross-reference
interchangeable
20605Interchangeable
interchangeable cross-reference
interchangeable
43-150TInterchangeable
interchangeable cross-reference
interchangeable
C3AZ-17593BInterchangeable
interchangeable cross-reference
interchangeable
5330007929026Interchangeable
interchangeable cross-reference
interchangeable
5147994Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 409-50003-7?
409-50003-7 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 409-50003-7?
There are 11 known substitutes for 409-50003-7: 33015, 20605, 43-150T and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 409-50003-7?
409-50003-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-362-4201. 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