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Technical Data Sheet

B687R-32B — Technical Data Sheet

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— · 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 CONNECTOR,PLUG,ELECTRICAL 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, style_designator: LONG, nominal_thread_size: 0.250 INCHES ALL ENDS IN, nominal_overall_length: 4.000 INCHES IN. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-196-1976, 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-32B
NSN: 4730-00-196-1976
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
style_designatorLONG
nominal_thread_size0.250 INCHES ALL ENDS IN
nominal_overall_length4.000 INCHES IN
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
NSN4730-00-196-1976
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B687R-32B · 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
•
NOMINAL OVERALL LENGTH: 4.000 INCHES IN
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS
NOMINAL OVERALL LENGTH4.000 INCHES IN
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL OVERALL LENGTH4.000 INCHES IN
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
190728InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21171InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0938-9503InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20866006 FIND NO 14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
92373A367InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ASTM-B687InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B687R-32B?
B687R-32B is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace B687R-32B?
There are 11 known substitutes for B687R-32B: 190728, 21171, 0938-9503 and 8 more. Substitute compatibility should be verified for your specific system.
Is B687R-32B still available?
B687R-32B is currently cancelled.
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