PartsTable
Technical Data Sheet
ASTM B687 (R2016) ✓ 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 ASTM B687 (R2016) is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1991, 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
ASTM B687 (R2016)
NSN: 4730-00-196-1991
FSC: 4730
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberASTM B687 (R2016)
NSN4730-00-196-1991
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASTM B687 (R2016) · 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 12
356-31075Interchangeable
interchangeable cross-reference
interchangeable
CG1-5100-75Interchangeable
interchangeable cross-reference
interchangeable
10386516Interchangeable
interchangeable cross-reference
interchangeable
189611Interchangeable
Same NIIN cross-reference
interchangeable
02433-2-5Interchangeable
Same NIIN cross-reference
interchangeable
ASTM-B687Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM B687 (R2016)?
ASTM B687 (R2016) is a ASTM B687 (R2016).
What parts can replace ASTM B687 (R2016)?
There are 12 known substitutes for ASTM B687 (R2016): 356-31075, CG1-5100-75, 10386516 and 9 more. Substitute compatibility should be verified for your specific system.
Is ASTM B687 (R2016) still available?
ASTM B687 (R2016) is currently cancelled.
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