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PartsTable / COMPONENT / ANSI B16.5 1 1/2IN.NPT/ASTM A105
ANSI B16.5 1 1/2IN.NPT/ASTM A105 ✓ 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 1 1/2IN.NPT/ASTM A105 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-289-9631, 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 1 1/2IN.NPT/ASTM A105
NSN: 4730-01-289-9631
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI B16.5 1 1/2IN.NPT/ASTM A105
NSN4730-01-289-9631
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ANSI B16.5 1 1/2IN.NPT/ASTM A105 · 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
•
RAISED FACE HEIGHT: 0.250 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 18 TABLE
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.500 INCHES IN
•
BOLT HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
THICKNESS: 0.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
•
SPECIFICATION/STANDARD DATA: 80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
RAISED FACE HEIGHT0.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA18 TABLE
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.500 INCHES IN
BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
THICKNESS0.875 INCHES NOMINAL IN
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 ASSN STD SINGLE MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA80204-ANSI B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALSTEEL
RAISED FACE DIAMETER2.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AT21534Interchangeable
interchangeable cross-reference
interchangeable
21534Interchangeable
interchangeable cross-reference
interchangeable
462Interchangeable
interchangeable cross-reference
interchangeable
461Interchangeable
interchangeable cross-reference
interchangeable
13034253Interchangeable
interchangeable cross-reference
interchangeable
B16.5 3IN.Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI B16.5 1 1/2IN.NPT/ASTM A105?
ANSI B16.5 1 1/2IN.NPT/ASTM A105 is a ANSI B16.5 1 1/2IN.NPT/ASTM A105.
What parts can replace ANSI B16.5 1 1/2IN.NPT/ASTM A105?
There are 12 known substitutes for ANSI B16.5 1 1/2IN.NPT/ASTM A105: AT21534, 21534, 462 and 9 more. Substitute compatibility should be verified for your specific system.
Is ANSI B16.5 1 1/2IN.NPT/ASTM A105 still available?
ANSI B16.5 1 1/2IN.NPT/ASTM A105 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026