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Technical Data Sheet
PartsTable / COMPONENT / ANSI B16.5 2 1/2IN.IPS.
ANSI B16.5 2 1/2IN.IPS. ✓ 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 ANSI B16.5 2 1/2IN.IPS. 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 4730-01-290-9713, 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
ANSI B16.5 2 1/2IN.IPS.
NSN: 4730-01-290-9713
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI B16.5 2 1/2IN.IPS.
NSN4730-01-290-9713
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ANSI B16.5 2 1/2IN.IPS. · 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: STEEL
•
BOLT CIRCLE DIAMETER: 5.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
SPECIFICATION/STANDARD DATA: 80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
RAISED FACE DIAMETER: 4.125 INCHES NOMINAL IN
•
NECK HEIGHT: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
BOLT CIRCLE DIAMETER5.875 INCHES NOMINAL IN
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
SPECIAL FEATURESWATER BORE DIMENSIONS 2.469 IN. IN
SPECIFICATION/STANDARD DATA80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
RAISED FACE DIAMETER4.125 INCHES NOMINAL IN
NECK HEIGHT2.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONNAVAL APPLICATIONS
THICKNESS1.125 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA18 TABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
21536Interchangeable
interchangeable cross-reference
interchangeable
18519Interchangeable
interchangeable cross-reference
interchangeable
SM-A-886429Interchangeable
interchangeable cross-reference
interchangeable
SKB-1923 ITEM X707Interchangeable
interchangeable cross-reference
interchangeable
R21536Interchangeable
interchangeable cross-reference
interchangeable
98-2423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI B16.5 2 1/2IN.IPS.?
ANSI B16.5 2 1/2IN.IPS. is a ANSI B16.5 2 1/2IN.IPS..
What parts can replace ANSI B16.5 2 1/2IN.IPS.?
There are 11 known substitutes for ANSI B16.5 2 1/2IN.IPS.: 21536, 18519, SM-A-886429 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ANSI B16.5 2 1/2IN.IPS.?
ANSI B16.5 2 1/2IN.IPS. is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-290-9713. 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