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Technical Data Sheet
PartsTable / COMPONENT / B16.1
B16.1 ✓ 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 B16.1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-189-2685, 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
B16.1
NSN: 4730-00-189-2685
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberB16.1
NSN4730-00-189-2685
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B16.1 · 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: IRON
•
THICKNESS: 0.440 INCHES NOMINAL IN
•
FLANGE SECTION STYLE: PLAIN FACE, RAISED NECK
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 5 TABLE
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
OPERATING PRESSURE AND TYPE: 125.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
SPECIFICATION/STANDARD DATA: 80204-B16.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON
THICKNESS0.440 INCHES NOMINAL IN
FLANGE SECTION STYLEPLAIN FACE, RAISED NECK
NOMINAL THREAD SIZE1.000 INCHES IN
NONDEFINITIVE SPEC/STD DATA5 TABLE
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
OPERATING PRESSURE AND TYPE125.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
SPECIFICATION/STANDARD DATA80204-B16.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
BOLT HOLE DIAMETER0.625 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONMACHINED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
WWF406Interchangeable
interchangeable cross-reference
interchangeable
13218E0032-3Interchangeable
interchangeable cross-reference
interchangeable
0001415Interchangeable
interchangeable cross-reference
interchangeable
B16.1Interchangeable
interchangeable cross-reference
interchangeable
490Interchangeable
interchangeable cross-reference
interchangeable
WWF406CLASS125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B16.1?
B16.1 is a B16.1.
What parts can replace B16.1?
There are 15 known substitutes for B16.1: WWF406, 13218E0032-3, 0001415 and 12 more. Substitute compatibility should be verified for your specific system.
Is B16.1 still available?
B16.1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026