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PartsTable / COMPONENT / 8732891
8732891 ✓ 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 TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL SINGLE END, design_form: PREBENT, thread_class: 2B SINGLE END, wall_thickness: 0.032 INCHES NOMINAL IN, thread_direction: RIGHT-HAND SINGLE END, seat_angle_in_deg: 45.0 SINGLE 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 4710-00-322-9577, 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
8732891
NSN: 4710-00-322-9577
FSC: 4710
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL SINGLE END
design_formPREBENT
thread_class2B SINGLE END
wall_thickness0.032 INCHES NOMINAL IN
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg45.0 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size0.500 INCHES SINGLE END IN
end_connection_styleSWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
fsc_application_dataFUEL LINES,ENGINE,NONAIRCRAFT
tube_outside_diameter0.250 INCHES NOMINAL IN
thread_series_designatorUNF SINGLE END
NSN4710-00-322-9577
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 8732891 · 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 CLASS: 2B SINGLE END
•
THREAD SERIES DESIGNATOR: UNF SINGLE END
•
NOMINAL THREAD SIZE: 0.500 INCHES SINGLE END IN
•
END CONNECTION STYLE: SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
•
MATERIAL: STEEL SINGLE END
•
TUBE OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
DESIGN FORM: PREBENT
•
FSC APPLICATION DATA: FUEL LINES,ENGINE,NONAIRCRAFT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B SINGLE END
THREAD SERIES DESIGNATORUNF SINGLE END
NOMINAL THREAD SIZE0.500 INCHES SINGLE END IN
END CONNECTION STYLESWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
MATERIALSTEEL SINGLE END
TUBE OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
DESIGN FORMPREBENT
FSC APPLICATION DATAFUEL LINES,ENGINE,NONAIRCRAFT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-8606, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
WALL THICKNESS0.032 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2016764-1Interchangeable
interchangeable cross-reference
interchangeable
A4-86-103Interchangeable
interchangeable cross-reference
interchangeable
2PB11Interchangeable
interchangeable cross-reference
interchangeable
551684Interchangeable
interchangeable cross-reference
interchangeable
551687Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8732891?
8732891 is a TUBE ASSEMBLY,METAL.
What parts can replace 8732891?
There are 5 known substitutes for 8732891: 2016764-1, A4-86-103, 2PB11 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8732891?
8732891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-322-9577. 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