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Technical Data Sheet
PartsTable / COMPONENT / B16.18
B16.18 ✓ 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 B16.18 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-059-7220, 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
B16.18
NSN: 4730-00-059-7220
FSC: 4730
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberB16.18
NSN4730-00-059-7220
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B16.18 · 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
•
CONNECTION STYLE: SOCKET (TUBE) FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.6245 INCHES FIRST END IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145,ALLOY 4B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.0395 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.6245 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145,ALLOY 4B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.0395 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A1532Interchangeable
interchangeable cross-reference
interchangeable
C408Interchangeable
interchangeable cross-reference
interchangeable
A01532Interchangeable
interchangeable cross-reference
interchangeable
701Interchangeable
interchangeable cross-reference
interchangeable
A40-3TABLE5Interchangeable
interchangeable cross-reference
interchangeable
B16.18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B16.18?
B16.18 is a B16.18.
What parts can replace B16.18?
There are 20 known substitutes for B16.18: A1532, C408, A01532 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B16.18?
B16.18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-059-7220. 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