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WWT797 ✓ 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,METALLIC is a the manufacturer industrial component. Key specifications include diameter: 0.688 INCHES NOMINAL IN, material: COPPER, construction: SEAMLESS, heat_treatment: ANNEALED TO A NOMINAL GRAIN SIZE 0.040, wall_thickness: 0.148 INCHES NOMINAL IN, first_end_style: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-203-4318, 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
WWT797
NSN: 4710-00-203-4318
FSC: 4710
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
diameter0.688 INCHES NOMINAL IN
materialCOPPER
constructionSEAMLESS
heat_treatmentANNEALED TO A NOMINAL GRAIN SIZE 0.040
wall_thickness0.148 INCHES NOMINAL IN
first_end_stylePLAIN
special_features4500 HYDROSTATIC TEST PRESSURE RATING
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
cross-sectional_shape_stylePLAIN ROUND
measuring_method_and_length528.000 INCHES MINIMUM SPECIFIC AND 552.000 INCHES MAXIMUM SPECIFIC IN
departure_from_cited_documentAS MODIFIED BY OD,WALL THK,HYDROSTATIC AND WORKING PRESSURE,ANDLG
material_document_and_classificationMIL-T-24107 MIL SPEC SINGLE MATERIAL RESPONSE
NSN4710-00-203-4318
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: WWT797 · 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
•
WALL THICKNESS: 0.148 INCHES NOMINAL IN
•
DIAMETER: 0.688 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
MEASURING METHOD AND LENGTH: 528.000 INCHES MINIMUM SPECIFIC AND 552.000 INCHES MAXIMUM SPECIFIC IN
•
HEAT TREATMENT: ANNEALED TO A NOMINAL GRAIN SIZE 0.040
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY OD,WALL THK,HYDROSTATIC AND WORKING PRESSURE,ANDLG
•
MATERIAL: COPPER
TECHNICAL CHARACTERISTICS (FLIS)
WALL THICKNESS0.148 INCHES NOMINAL IN
DIAMETER0.688 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
MEASURING METHOD AND LENGTH528.000 INCHES MINIMUM SPECIFIC AND 552.000 INCHES MAXIMUM SPECIFIC IN
HEAT TREATMENTANNEALED TO A NOMINAL GRAIN SIZE 0.040
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY OD,WALL THK,HYDROSTATIC AND WORKING PRESSURE,ANDLG
SPECIAL FEATURES4500 HYDROSTATIC TEST PRESSURE RATING
MATERIALCOPPER
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
FIRST END STYLEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MIL-T-24107BInterchangeable
interchangeable cross-reference
interchangeable
MIL-T-24107Interchangeable
interchangeable cross-reference
interchangeable
WW-T-797Interchangeable
interchangeable cross-reference
interchangeable
7409626Interchangeable
interchangeable cross-reference
interchangeable
1053968Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWT797?
WWT797 is a TUBE,METALLIC.
What parts can replace WWT797?
There are 5 known substitutes for WWT797: MIL-T-24107B, MIL-T-24107, WW-T-797 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WWT797?
WWT797 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-203-4318. 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