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640-250-393 — TUBING,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

640-250-393: TUBING,NONMETALLIC.

The TUBING,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON TUBE, flexibility: FLEXIBLE, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.348 INCHES NOMINAL IN, outside_diameter: 0.250 INCHES NOMINAL IN, special_features: USED ON CALVER COMPANY EVSPORATOR S.W. PUMP 999-5113-B-01.

This part is cataloged in the U.S. Government catalog under NSN 4720-01-424-4038, 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
640-250-393
NSN: 4720-01-424-4038
FSC: 4720 — Hose and Flexible Tubing
CAGE: 10941 — CARVER PUMP COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON TUBE
flexibilityFLEXIBLE
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.348 INCHES NOMINAL IN
outside_diameter0.250 INCHES NOMINAL IN
special_featuresUSED ON CALVER COMPANY EVSPORATOR S.W. PUMP 999-5113-B-01
operating_pressure750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
end_item_identificationUSED ON WEAPON SYSTEM STRATEGIC SEALIFT CONVERSION SHIPS CLASS
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
measuring_method_and_length25.000 INCHES NOMINAL OVERALL IN
NSN4720-01-424-4038
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 640-250-393 · 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
•
MEASURING METHOD AND LENGTH: 25.000 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
FLEXIBILITY: FLEXIBLE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
OPERATING PRESSURE: 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
INSIDE DIAMETER: 0.348 INCHES NOMINAL IN
•
INSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH25.000 INCHES NOMINAL OVERALL IN
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
FLEXIBILITYFLEXIBLE
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
OPERATING PRESSURE750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
INSIDE DIAMETER0.348 INCHES NOMINAL IN
INSIDE SURFACE CONDITIONSMOOTH
SPECIAL FEATURESUSED ON CALVER COMPANY EVSPORATOR S.W. PUMP 999-5113-B-01
END ITEM IDENTIFICATIONUSED ON WEAPON SYSTEM STRATEGIC SEALIFT CONVERSION SHIPS CLASS
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 1
999-5113-B-01 ITEM 400Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 640-250-393?
640-250-393 is a TUBING,NONMETALLIC.
What parts can replace 640-250-393?
There is 1 known substitute for 640-250-393: 999-5113-B-01 ITEM 400. Substitute compatibility should be verified for your specific system.
What is the NSN for 640-250-393?
640-250-393 is cataloged in the U.S. Government catalog under NSN 4720-01-424-4038. This indicates validated use in U.S. government and defense supply chains.
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