PartsTable
Technical Data Sheet
ASTM D2665-78 ✓ 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 COUPLING,DRAINAGE PIPE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL, connection_type: UNTHREADED INTERNAL PIPE SECOND END, connection_style: SOCKET (PIPE) SECOND END, nominal_thread_size: 3.000 INCHES FIRST END IN, nominal_overall_length: 2.595 INCHES IN, thread_series_designator: NPT FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-757-4492, 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 D2665-78
NSN: 4730-00-757-4492
FSC: 4730
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
connection_typeUNTHREADED INTERNAL PIPE SECOND END
connection_styleSOCKET (PIPE) SECOND END
nominal_thread_size3.000 INCHES FIRST END IN
nominal_overall_length2.595 INCHES IN
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated3.000 INCHES SECOND END IN
pipe_wall_thickness_designation_for_which_designedSCHEDULE STD SECOND END
NSN4730-00-757-4492
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASTM D2665-78 · 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
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
NOMINAL OVERALL LENGTH: 2.595 INCHES IN
NOMINAL PIPE SIZE ACCOMMODATED: 3.000 INCHES SECOND END IN
THREAD SERIES DESIGNATOR: NPT FIRST END
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE STD SECOND END
CONNECTION STYLE: SOCKET (PIPE) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
NOMINAL OVERALL LENGTH2.595 INCHES IN
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES SECOND END IN
THREAD SERIES DESIGNATORNPT FIRST END
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE STD SECOND END
CONNECTION TYPEUNTHREADED INTERNAL PIPE SECOND END
CONNECTION STYLESOCKET (PIPE) SECOND END
NOMINAL THREAD SIZE3.000 INCHES FIRST END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
3703Interchangeable
interchangeable cross-reference
interchangeable
577R723H02Interchangeable
interchangeable cross-reference
interchangeable
1003704-13Interchangeable
interchangeable cross-reference
interchangeable
387993C91Interchangeable
interchangeable cross-reference
interchangeable
FD72280Interchangeable
interchangeable cross-reference
interchangeable
1452Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM D2665-78?
ASTM D2665-78 is a COUPLING,DRAINAGE PIPE.
What parts can replace ASTM D2665-78?
There are 23 known substitutes for ASTM D2665-78: 3703, 577R723H02, 1003704-13 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASTM D2665-78?
ASTM D2665-78 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-757-4492. This indicates validated use in U.S. government and defense supply chains.
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