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Technical Data Sheet
PartsTable / COMPONENT / 6CIT-6-8MBX/6-6MBX90-21
6CIT-6-8MBX/6-6MBX90-21 ✓ 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 6CIT-6-8MBX/6-6MBX90-21 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-383-5174, 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
6CIT-6-8MBX/6-6MBX90-21
NSN: 4720-01-383-5174
FSC: 4720
CAGE: 24161 — GATES CORPORATION (USA)
SPECIFICATIONS
Part Number6CIT-6-8MBX/6-6MBX90-21
Capacity8MB
NSN4720-01-383-5174
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 6CIT-6-8MBX/6-6MBX90-21 · 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
•
8MB Capacity
•
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
MEASURING METHOD AND LENGTH: 21.000 INCHES NOMINAL OVERALL IN
•
NOMINAL THREAD SIZE: 0.562 INCHES FIRST END IN
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
FLOW ANGLE: 90.0 DEGREES SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
MEASURING METHOD AND LENGTH21.000 INCHES NOMINAL OVERALL IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
FLOW ANGLE90.0 DEGREES SECOND END
SEAT ANGLE30.0 DEGREES SECOND END
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
SM25849Interchangeable
interchangeable cross-reference
interchangeable
25849Interchangeable
interchangeable cross-reference
interchangeable
39536Interchangeable
interchangeable cross-reference
interchangeable
MATERIAL LIST GH5 ITEM 41Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6CIT-6-8MBX/6-6MBX90-21?
6CIT-6-8MBX/6-6MBX90-21 is a 6CIT-6-8MBX/6-6MBX90-21.
What parts can replace 6CIT-6-8MBX/6-6MBX90-21?
There are 4 known substitutes for 6CIT-6-8MBX/6-6MBX90-21: SM25849, 25849, 39536 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6CIT-6-8MBX/6-6MBX90-21?
6CIT-6-8MBX/6-6MBX90-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-383-5174. 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