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AS27018 ✓ 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 BODY,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL, tube_outside_diameter_for_which_designed: 0.250 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 4730-00-165-5050, 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
AS27018
NSN: 4730-00-165-5050
FSC: 4730
CAGE: 12776 — AIRCRAFT SUPPLIES (USA)
SPECIFICATIONS
materialSTEEL
tube_outside_diameter_for_which_designed0.250 INCHES NOMINAL IN
NSN4730-00-165-5050
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS27018 · 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
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
27018Interchangeable
interchangeable cross-reference
interchangeable
311010Interchangeable
interchangeable cross-reference
interchangeable
70-0011Interchangeable
interchangeable cross-reference
interchangeable
5920PL1331849Interchangeable
interchangeable cross-reference
interchangeable
4015450-0701Interchangeable
interchangeable cross-reference
interchangeable
2274-80-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS27018?
AS27018 is a COUPLING BODY,TUBE.
What parts can replace AS27018?
There are 10 known substitutes for AS27018: 27018, 311010, 70-0011 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS27018?
AS27018 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-165-5050. 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