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Technical Data Sheet
PartsTable / COMPONENT / 3165785-1
3165785-1 ✓ 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 TUBING,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC, POLYETHYLENE (PP) TUBE, flexibility: FLEXIBLE, inside_diameter: 1.250 INCHES NOMINAL IN, outside_diameter: 1.500 INCHES NOMINAL IN, inside_surface_condition: SMOOTH, cross-sectional_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-278-8677, 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
3165785-1
NSN: 4720-01-278-8677
FSC: 4720
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP) TUBE
flexibilityFLEXIBLE
inside_diameter1.250 INCHES NOMINAL IN
outside_diameter1.500 INCHES NOMINAL IN
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
measuring_method_and_length80.000 INCHES NOMINAL OVERALL IN
nondefinitive_spec/std_dataL CLASS AND B FORM AND I TYPE AND 1 GRADE
specification/standard_data81349-MIL-P-21922 GOVERNMENT SPECIFICATION
NSN4720-01-278-8677
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3165785-1 · 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
•
SPECIFICATION/STANDARD DATA: 81349-MIL-P-21922 GOVERNMENT SPECIFICATION
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MEASURING METHOD AND LENGTH: 80.000 INCHES NOMINAL OVERALL IN
•
INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
FLEXIBILITY: FLEXIBLE
•
NONDEFINITIVE SPEC/STD DATA: L CLASS AND B FORM AND I TYPE AND 1 GRADE
•
INSIDE SURFACE CONDITION: SMOOTH
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81349-MIL-P-21922 GOVERNMENT SPECIFICATION
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
MEASURING METHOD AND LENGTH80.000 INCHES NOMINAL OVERALL IN
INSIDE DIAMETER1.250 INCHES NOMINAL IN
FLEXIBILITYFLEXIBLE
NONDEFINITIVE SPEC/STD DATAL CLASS AND B FORM AND I TYPE AND 1 GRADE
INSIDE SURFACE CONDITIONSMOOTH
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIALPLASTIC, POLYETHYLENE (PP) TUBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MIL-P-21922Interchangeable
interchangeable cross-reference
interchangeable
0112Interchangeable
interchangeable cross-reference
interchangeable
50-2318-4Interchangeable
interchangeable cross-reference
interchangeable
50-2319-1Interchangeable
interchangeable cross-reference
interchangeable
1079-920042-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-26692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3165785-1?
3165785-1 is a TUBING,NONMETALLIC.
What parts can replace 3165785-1?
There are 8 known substitutes for 3165785-1: MIL-P-21922, 0112, 50-2318-4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3165785-1?
3165785-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-278-8677. 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