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Technical Data Sheet
PartsTable / COMPONENT / B16.5 1 IN
B16.5 1 IN ✓ 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 B16.5 1 IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-023-7771, 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
B16.5 1 IN
NSN: 4730-01-023-7771
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberB16.5 1 IN
NSN4730-01-023-7771
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B16.5 1 IN · 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
•
NECK HEIGHT: 0.062 INCHES NOMINAL IN
•
SOCKET DEPTH: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
SPECIFICATION/STANDARD DATA: 80204-B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
FLANGE DIAMETER: 4.250 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
RAISED FACE HEIGHT: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NECK HEIGHT0.062 INCHES NOMINAL IN
SOCKET DEPTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
SPECIAL FEATURESFLANGES CONFORM TO ASA STANDARD B16.5
SPECIFICATION/STANDARD DATA80204-B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FLANGE DIAMETER4.250 INCHES NOMINAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.000 INCHES IN
RAISED FACE HEIGHT0.062 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
1381 1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
ASTM A-105Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.11 1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
R5828Interchangeable
interchangeable cross-reference
interchangeable
29512Interchangeable
interchangeable cross-reference
interchangeable
1938PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B16.5 1 IN?
B16.5 1 IN is a B16.5 1 IN.
What parts can replace B16.5 1 IN?
There are 24 known substitutes for B16.5 1 IN: 1381 1-1/2IN, ASTM A-105, ANSI B16.11 1-1/2IN and 21 more. Substitute compatibility should be verified for your specific system.
Is B16.5 1 IN still available?
B16.5 1 IN 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