PartsTable
Technical Data Sheet
7M51-6 ✓ 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 SLEEVE,FLARED,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140, flow_angle: 45.0 DEGREES SECOND END, seat_angle: 37.0 DEGREES SECOND END, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, flange_width: 0.172 INCHES NOMINAL IN, thread_class: 3B SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-128-2284, 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
7M51-6
NSN: 4720-01-128-2284
FSC: 4720
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140
flow_angle45.0 DEGREES SECOND END
seat_angle37.0 DEGREES SECOND END
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
flange_width0.172 INCHES NOMINAL IN
thread_class3B SECOND END
overall_length0.500 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.440 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.650 INCHES NOMINAL IN
style_designatorSLEEVE
NSN4720-01-128-2284
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — PN: 7M51-6 · 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
CROSS-SECTIONAL SHAPE STYLE: ROUND
INSIDE DIAMETER: 0.440 INCHES NOMINAL IN
CONNECTION STYLE: SWIVEL NUT FLARE SECOND END
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
THREAD SERIES DESIGNATOR: UNF SECOND END
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
THREAD CLASS: 3B FIRST END
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER0.440 INCHES NOMINAL IN
CONNECTION STYLESWIVEL NUT FLARE SECOND END
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
THREAD SERIES DESIGNATORUNF SECOND END
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
THREAD CLASS3B FIRST END
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
7M51-6Interchangeable
interchangeable cross-reference
interchangeable
10111174Interchangeable
Same NIIN cross-reference
interchangeable
7M487Interchangeable
Same NIIN cross-reference
interchangeable
7M487-8-0170Interchangeable
Same NIIN cross-reference
interchangeable
AE705242-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7M51-6?
7M51-6 is a SLEEVE,FLARED,TUBE FITTING.
What parts can replace 7M51-6?
There are 5 known substitutes for 7M51-6: 7M51-6, 10111174, 7M487 and 2 more. Substitute compatibility should be verified for your specific system.
Is 7M51-6 still available?
7M51-6 is currently cancelled.
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