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5181K25 — TUBING,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

5181K25: TUBING,NONMETALLIC.

The TUBING,NONMETALLIC is a the manufacturer industrial component. Key specifications include exterior_color: NATURAL, operating_pressure: 214.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, end_item_identification: MK38 MOD2 COMMON BULK ITEM LIST, inside_surface_condition: SMOOTH, media_for_which_designed: AIR AND WATER SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-551-8671, 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
5181K25
NSN: 4720-01-551-8671
FSC: 4720 — Hose and Flexible Tubing
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
exterior_colorNATURAL
operating_pressure214.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
end_item_identificationMK38 MOD2 COMMON BULK ITEM LIST
inside_surface_conditionSMOOTH
media_for_which_designedAIR AND WATER SINGLE RESPONSE
NSN4720-01-551-8671
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 5181K25 · 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
•
OPERATING PRESSURE: 214.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
EXTERIOR COLOR: NATURAL
•
INSIDE SURFACE CONDITION: SMOOTH
•
MEDIA FOR WHICH DESIGNED: AIR AND WATER SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
OPERATING PRESSURE214.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
EXTERIOR COLORNATURAL
INSIDE SURFACE CONDITIONSMOOTH
MEDIA FOR WHICH DESIGNEDAIR AND WATER SINGLE RESPONSE
END ITEM IDENTIFICATIONMK38 MOD2 COMMON BULK ITEM LIST
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5181K25?
5181K25 is a TUBING,NONMETALLIC.
What is the NSN for 5181K25?
5181K25 is cataloged in the U.S. Government catalog under NSN 4720-01-551-8671. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.