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7M557-6-0120 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

7M557-6-0120: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include seat_angle: 8.5 DEGREES FIRST END, temp_rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.298 INCHES MINIMUM IN, connection_style: SWIVEL NUT, INVERTED FLARE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-294-9602, 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
7M557-6-0120
NSN: 4720-01-294-9602
FSC: 4720 — Hose and Flexible Tubing
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
seat_angle8.5 DEGREES FIRST END
temp_rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.298 INCHES MINIMUM IN
connection_styleSWIVEL NUT, INVERTED FLARE FIRST END
outside_diameter0.765 INCHES MAXIMUM IN
thread_directionRIGHT-HAND FIRST END
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure9000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.562 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
NSN4720-01-294-9602
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 7M557-6-0120 · 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
•
MEASURING METHOD AND LENGTH: 12.000 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 4.000 INCHES IN
•
CONNECTION STYLE: SWIVEL NUT, INVERTED FLARE FIRST END
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
SUPPLEMENTARY FEATURES: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES,00624 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH12.000 INCHES NOMINAL OVERALL IN
TEMP RATING-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS4.000 INCHES IN
CONNECTION STYLESWIVEL NUT, INVERTED FLARE FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
SUPPLEMENTARY FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES,00624 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.765 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
7M557Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 7M557-6-0120?
7M557-6-0120 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 7M557-6-0120?
There is 1 known substitute for 7M557-6-0120: 7M557. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M557-6-0120?
7M557-6-0120 is cataloged in the U.S. Government catalog under NSN 4720-01-294-9602. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.