PartsTable
Technical Data Sheet
9900003-6 ✓ 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 HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include temp_rating: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, connection_type: THREADED EXTERNAL TUBE FIRST END, inside_diameter: 0.650 INCHES MINIMUM IN, connection_style: SWIVEL NUT, FLARED FIRST END, outside_diameter: 1.200 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-621-4673, 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
9900003-6
NSN: 4720-00-621-4673
FSC: 4720
CAGE: 71379 — CESSNA AIRCRAFT COMPANY DBA TEXTRON AVIATION (USA)
SPECIFICATIONS
temp_rating250.0 FAHRENHEIT SINGLE RESPONSE DEGF
connection_typeTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.650 INCHES MINIMUM IN
connection_styleSWIVEL NUT, FLARED FIRST END
outside_diameter1.200 INCHES MAXIMUM IN
special_featuresCOLOR BLUE; THIS ITEM HAS BEEN DETERMINED TO BE A CRITICAL APPLICATION ITEM. IN-FLIGHT FAILURE OF THIS ITEM WOULD CREATE A HAZARDOUS CONDITION
thread_directionRIGHT-HAND FIRST END
end_connection_designSTRAIGHT FIRST END
end_item_identificationAIRCRAFT, T-37;AIRCRAFT, T-38
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
cross-sectional_shape_styleROUND
NSN4720-00-621-4673
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — PN: 9900003-6 · 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
INSIDE DIAMETER: 0.650 INCHES MINIMUM IN
MEASURING METHOD AND LENGTH: 8.700 INCHES NOMINAL OVERALL IN
CONNECTION STYLE: SWIVEL NUT, FLARED FIRST END
CRITICALITY CODE JUSTIFICATION: FEAT
OUTSIDE DIAMETER: 1.200 INCHES MAXIMUM IN
OUTER COVERING ENVIRONMENTAL PROTECTION: OIL RESISTANT
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.650 INCHES MINIMUM IN
MEASURING METHOD AND LENGTH8.700 INCHES NOMINAL OVERALL IN
CONNECTION STYLESWIVEL NUT, FLARED FIRST END
CRITICALITY CODE JUSTIFICATIONFEAT
END ITEM IDENTIFICATIONAIRCRAFT, T-37;AIRCRAFT, T-38
OUTSIDE DIAMETER1.200 INCHES MAXIMUM IN
OUTER COVERING ENVIRONMENTAL PROTECTIONOIL RESISTANT
THREAD DIRECTIONRIGHT-HAND FIRST END
INSIDE SURFACE CONDITIONSMOOTH
END CONNECTION DESIGNSTRAIGHT FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
690Interchangeable
interchangeable cross-reference
interchangeable
47403Interchangeable
interchangeable cross-reference
interchangeable
20-47Interchangeable
interchangeable cross-reference
interchangeable
47405Interchangeable
interchangeable cross-reference
interchangeable
5A21MA1Interchangeable
interchangeable cross-reference
interchangeable
104-740-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9900003-6?
9900003-6 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 9900003-6?
There are 14 known substitutes for 9900003-6: 690, 47403, 20-47 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9900003-6?
9900003-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-621-4673. This indicates validated use in U.S. government and defense supply chains.
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