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Technical Data Sheet
PartsTable / COMPONENT / 634B-1.5AL
634B-1.5AL ✓ 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 634B-1.5AL is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-869-5246, 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
634B-1.5AL
NSN: 4730-00-869-5246
FSC: 4730
CAGE: 9H113 — DOVER RESOURCES INC DBA OPW ENGINEERED SYSTEMS (USA)
SPECIFICATIONS
Part Number634B-1.5AL
NSN4730-00-869-5246
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 634B-1.5AL · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
S216-8Interchangeable
interchangeable cross-reference
interchangeable
MS27028-19Interchangeable
interchangeable cross-reference
interchangeable
S2024Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326/10AInterchangeable
interchangeable cross-reference
interchangeable
SM-B-525440Interchangeable
interchangeable cross-reference
interchangeable
5869Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 634B-1.5AL?
634B-1.5AL is a 634B-1.5AL.
What parts can replace 634B-1.5AL?
There are 32 known substitutes for 634B-1.5AL: S216-8, MS27028-19, S2024 and 29 more. Substitute compatibility should be verified for your specific system.
Is 634B-1.5AL still available?
634B-1.5AL 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