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Technical Data Sheet
PartsTable / COMPONENT / 331563
331563 ✓ 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,NONMETALLIC is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, head_style: HEXAGON, grip_length: 1.500 INCHES NOMINAL IN, head_height: 0.156 INCHES NOMINAL IN, mounting_pad: NOT INCLUDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-566-1781, 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
331563
NSN: 4720-00-566-1781
FSC: 4720
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
head_styleHEXAGON
grip_length1.500 INCHES NOMINAL IN
head_height0.156 INCHES NOMINAL IN
mounting_padNOT INCLUDED
thread_class2A A
overall_width0.460 INCHES NOMINAL IN
thread_length0.750 INCHES MINIMUM IN
overall_length1.020 INCHES NOMINAL IN
fastener_length2.250 INCHES NOMINAL IN
style_designatorCURVED ARCH
NSN4720-00-566-1781
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 331563 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
328544Interchangeable
interchangeable cross-reference
interchangeable
0328544Interchangeable
interchangeable cross-reference
interchangeable
92765Interchangeable
interchangeable cross-reference
interchangeable
FFB575TYPE3GR1Interchangeable
interchangeable cross-reference
interchangeable
D92765Interchangeable
interchangeable cross-reference
interchangeable
FC71571Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 331563?
331563 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 331563?
There are 8 known substitutes for 331563: 328544, 0328544, 92765 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 331563?
331563 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-566-1781. 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