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Technical Data Sheet
PartsTable / COMPONENT / B687R-10B
B687R-10B ✓ 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 HOUSING,GEARBOX,TURBINE ENGINE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: GRUMMAN AEROSPACE A-10 AIRCRAFT, style_designator: LONG, nominal_thread_size: 0.125 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1964, 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
B687R-10B
NSN: 4730-00-196-1964
FSC: 4730
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresGRUMMAN AEROSPACE A-10 AIRCRAFT
style_designatorLONG
nominal_thread_size0.125 INCHES ALL ENDS IN
nominal_overall_length2.500 INCHES IN
end_item_identificationMULTI APPLICATION
thread_series_designatorNPT ALL ENDS
specification/standard_data81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
material_document_and_classificationASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-196-1964
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B687R-10B · 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
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT ALL ENDS
SPECIAL FEATURESGRUMMAN AEROSPACE A-10 AIRCRAFT
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH2.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
CEA071-50Interchangeable
interchangeable cross-reference
interchangeable
RE49F559Interchangeable
interchangeable cross-reference
interchangeable
10085Interchangeable
interchangeable cross-reference
interchangeable
1005-726-5593Interchangeable
interchangeable cross-reference
interchangeable
AN502-10-8Interchangeable
interchangeable cross-reference
interchangeable
P28B8803-98Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B687R-10B?
B687R-10B is a HOUSING,GEARBOX,TURBINE ENGINE.
What parts can replace B687R-10B?
There are 26 known substitutes for B687R-10B: CEA071-50, RE49F559, 10085 and 23 more. Substitute compatibility should be verified for your specific system.
Is B687R-10B still available?
B687R-10B is currently cancelled.
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Last verified: July 2026