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Technical Data Sheet
PartsTable / COMPONENT / 6737 ITEM 1
6737 ITEM 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE TUBE, temp_rating: -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 1.520 INCHES NOMINAL IN, outside_diameter: 1.800 INCHES NOMINAL IN, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, burst_test_pressure: 800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-418-8965, 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
6737 ITEM 1
NSN: 4720-01-418-8965
FSC: 4720
CAGE: 21392 — TRANSDIGM INC DIV ADELWIGGINS GROUP (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE TUBE
temp_rating-65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.520 INCHES NOMINAL IN
outside_diameter1.800 INCHES NOMINAL IN
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
burst_test_pressure800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identificationNIMITZ CLASS CVN
inside_surface_conditionCONVOLUTED
hydrostatic_test_pressure400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
cross-sectional_shape_styleROUND
measuring_method_and_length10.500 INCHES NOMINAL OVERALL IN
minimum_inside_bending_radius7.000 INCHES IN
NSN4720-01-418-8965
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 6737 ITEM 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
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE TUBE
•
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MEASURING METHOD AND LENGTH: 10.500 INCHES NOMINAL OVERALL IN
•
BURST TEST PRESSURE: 800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
HYDROSTATIC TEST PRESSURE: 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
INSIDE SURFACE CONDITION: CONVOLUTED
•
INSIDE DIAMETER: 1.520 INCHES NOMINAL IN
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE TUBE
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEASURING METHOD AND LENGTH10.500 INCHES NOMINAL OVERALL IN
BURST TEST PRESSURE800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
HYDROSTATIC TEST PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
INSIDE SURFACE CONDITIONCONVOLUTED
INSIDE DIAMETER1.520 INCHES NOMINAL IN
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
MINIMUM INSIDE BENDING RADIUS7.000 INCHES IN
OUTSIDE DIAMETER1.800 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
001-1002-00-0-479Interchangeable
interchangeable cross-reference
interchangeable
301-24Interchangeable
interchangeable cross-reference
interchangeable
FTSM7Interchangeable
interchangeable cross-reference
interchangeable
71750Interchangeable
interchangeable cross-reference
interchangeable
313407Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6737 ITEM 1?
6737 ITEM 1 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 6737 ITEM 1?
There are 16 known substitutes for 6737 ITEM 1: 001-1002-00-0-479, 301-24, FTSM7 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6737 ITEM 1?
6737 ITEM 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-418-8965. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026