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Technical Data Sheet
PartsTable / COMPONENT / B16.4
B16.4 ✓ 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 B16.4 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 4730-00-142-1379, 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
B16.4
NSN: 4730-00-142-1379
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberB16.4
NSN4730-00-142-1379
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B16.4 · 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: PLAIN (PIPE) ALL ENDS
•
LEG LENGTH: 1.500 INCHES NOMINAL ALL ENDS IN
•
NOMINAL THREAD SIZE: 1.000 INCHES ALL ENDS IN
•
SURFACE TREATMENT: ZINC OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 3 TABLE
•
SPECIFICATION/STANDARD DATA: 80204-B16.4 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
OPERATING PRESSURE: 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
LEG LENGTH1.500 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
SURFACE TREATMENTZINC OVERALL
NONDEFINITIVE SPEC/STD DATA3 TABLE
SPECIFICATION/STANDARD DATA80204-B16.4 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATORNPT ALL ENDS
OPERATING PRESSURE175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLOW ANGLE90.0 DEGREES
MATERIALIRON CAST OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
WW-P-501Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B16.4?
B16.4 is a B16.4.
What parts can replace B16.4?
There is 1 known substitute for B16.4: WW-P-501. Substitute compatibility should be verified for your specific system.
What is the NSN for B16.4?
B16.4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-142-1379. 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