PartsTable
Technical Data Sheet
B16.5 ✓ 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 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 4730-00-174-5942, 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
NSN: 4730-00-174-5942
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberB16.5
NSN4730-00-174-5942
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B16.5 · 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
THICKNESS: 0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
BOLT HOLE DIAMETER: 0.750 INCHES NOMINAL IN
FLANGE SECTION STYLE: RAISED FACE, SOCKET NECK
FLANGE DIAMETER: 5.250 INCHES NOMINAL IN
MATERIAL: STEEL
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY FLANGE,PIPE,1-1/4 IN. NOM PIPE SIZE IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 850.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A182,GRADE F-11 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
FLANGE SECTION STYLERAISED FACE, SOCKET NECK
FLANGE DIAMETER5.250 INCHES NOMINAL IN
MATERIALSTEEL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY FLANGE,PIPE,1-1/4 IN. NOM PIPE SIZE IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED850.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A182,GRADE F-11 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
OPERATING PRESSURE AND TYPE600.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 1000.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
5000S4823-64496Interchangeable
interchangeable cross-reference
interchangeable
ASME B16.5Interchangeable
interchangeable cross-reference
interchangeable
M18180/2-56A09AInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-18180Interchangeable
interchangeable cross-reference
interchangeable
ASAB16-5Interchangeable
interchangeable cross-reference
interchangeable
B16-5-1961Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B16.5?
B16.5 is a B16.5.
What parts can replace B16.5?
There are 13 known substitutes for B16.5: 5000S4823-64496, ASME B16.5, M18180/2-56A09A and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B16.5?
B16.5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-174-5942. This indicates validated use in U.S. government and defense supply chains.
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