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255264 ✓ 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: 3B FIRST END, wall_thickness: 0.049 INCHES NOMINAL IN, thread_direction: RIGHT-HAND FIRST END, seat_angle_in_deg: 37.0 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 4710-00-348-8898, 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
255264
NSN: 4710-00-348-8898
FSC: 4710
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL SINGLE END
design_formPREBENT
thread_class3B FIRST END
wall_thickness0.049 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
seat_angle_in_deg37.0 FIRST END
bolt_hole_quantity2 FIRST END
mating_end_quantity1 SECOND END
nominal_thread_size1.312 INCHES FIRST END IN
end_connection_styleUNTHREADED INTERNAL SECOND END
tube_outside_diameter1.000 INCHES NOMINAL IN
material_document_and_classificationAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING
NSN4710-00-348-8898
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 255264 · 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
•
END CONNECTION STYLE: SWIVEL NUT, FLARE FIRST END
•
DESIGN FORM: PREBENT
•
MATERIAL: STEEL SINGLE END
•
NOMINAL THREAD SIZE: 1.312 INCHES FIRST END IN
•
SEAT ANGLE IN DEG: 37.0 FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING
•
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
END CONNECTION STYLESWIVEL NUT, FLARE FIRST END
DESIGN FORMPREBENT
MATERIALSTEEL SINGLE END
NOMINAL THREAD SIZE1.312 INCHES FIRST END IN
SEAT ANGLE IN DEG37.0 FIRST END
END CONNECTION STYLEUNTHREADED INTERNAL SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING
THREAD DIRECTIONRIGHT-HAND FIRST END
MATING END QUANTITY1 SECOND END
THREAD CLASS3B FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
13377Interchangeable
interchangeable cross-reference
interchangeable
64389HInterchangeable
interchangeable cross-reference
interchangeable
586095Interchangeable
interchangeable cross-reference
interchangeable
307836Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 255264?
255264 is a TUBE ASSEMBLY,METAL.
What parts can replace 255264?
There are 4 known substitutes for 255264: 13377, 64389H, 586095 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 255264?
255264 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-348-8898. 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