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PartsTable / COMPONENT / 71863
71863 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,METALLIC is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN FIRST END, thread_direction: RIGHT-HAND FIRST END, operating_pressure: 580.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS, nominal_thread_size: 0.500 INCHES FIRST END IN, end_connection_design: STRAIGHT 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 4720-01-257-8698, 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
71863
NSN: 4720-01-257-8698
FSC: 4720
CAGE: 62420 — GRINNELL CORP GRINNELL FIRE PROTECTION SYSTMES DIV (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN FIRST END
thread_directionRIGHT-HAND FIRST END
operating_pressure580.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
nominal_thread_size0.500 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
thread_series_designatorNPT FIRST END
measuring_method_and_length15.000 INCHES NOMINAL OVERALL IN
layer_composition_and_locationOUTER LAYER CORRUGATED CORROSION RESISTANT STEEL
NSN4720-01-257-8698
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 71863 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
•
MEASURING METHOD AND LENGTH: 15.000 INCHES NOMINAL OVERALL IN
•
OPERATING PRESSURE: 580.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER CORRUGATED CORROSION RESISTANT STEEL
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
CONNECTION STYLE: PLAIN FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
MEASURING METHOD AND LENGTH15.000 INCHES NOMINAL OVERALL IN
OPERATING PRESSURE580.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
LAYER COMPOSITION AND LOCATIONOUTER LAYER CORRUGATED CORROSION RESISTANT STEEL
THREAD DIRECTIONRIGHT-HAND FIRST END
CONNECTION STYLEPLAIN FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
52852Interchangeable
interchangeable cross-reference
interchangeable
528-522Interchangeable
interchangeable cross-reference
interchangeable
13455DAInterchangeable
interchangeable cross-reference
interchangeable
21012Interchangeable
interchangeable cross-reference
interchangeable
SMB157383Interchangeable
interchangeable cross-reference
interchangeable
32852Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 71863?
71863 is a HOSE ASSEMBLY,METALLIC.
What parts can replace 71863?
There are 7 known substitutes for 71863: 52852, 528-522, 13455DA and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71863?
71863 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-257-8698. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026