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7-311830421 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

7-311830421: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include flow_angle: 45.0 DEGREES SECOND END, connection_type: THREADED EXTERNAL TUBE FIRST END, end_connection_design: STRAIGHT FIRST END, end_item_identification: AH-64 APACHE HELICOPTER, measuring_method_and_length: 18.120 INCHES NOMINAL WORKING IN, part_name_assigned_by_controlling_agency: HOSE ASSY, NONMETALLIC, PRESSURE, HYDRAULIC. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-300-2990, 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
7-311830421
NSN: 4720-01-300-2990
NIINs: 013002990, 014717739
FSC: 4720 — Hose and Flexible Tubing
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
flow_angle45.0 DEGREES SECOND END
connection_typeTHREADED EXTERNAL TUBE FIRST END
end_connection_designSTRAIGHT FIRST END
end_item_identificationAH-64 APACHE HELICOPTER
measuring_method_and_length18.120 INCHES NOMINAL WORKING IN
part_name_assigned_by_controlling_agencyHOSE ASSY, NONMETALLIC, PRESSURE, HYDRAULIC
NSN4720-01-300-2990
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 7-311830421 · 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
•
FLOW ANGLE: 45.0 DEGREES SECOND END
•
MEASURING METHOD AND LENGTH: 18.125 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -67.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 2.500 INCHES IN
•
CONNECTION STYLE: SWIVEL NUT, FLARELESS SECOND END
•
END CONNECTION DESIGN: ELBOW SECOND END
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES SECOND END
MEASURING METHOD AND LENGTH18.125 INCHES NOMINAL OVERALL IN
TEMP RATING-67.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS2.500 INCHES IN
CONNECTION STYLESWIVEL NUT, FLARELESS SECOND END
CONNECTION STYLESWIVEL NUT, FLARELESS FIRST END
END CONNECTION DESIGNELBOW SECOND END
END CONNECTION DESIGNSTRAIGHT FIRST END
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
CONNECTION TYPETHREADED INTERNAL TUBE SECOND END
SUBSTITUTES & CROSS-REFERENCES 1
AE2460610G0181Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7-311830421?
7-311830421 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 7-311830421?
There is 1 known substitute for 7-311830421: AE2460610G0181. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-311830421?
7-311830421 is cataloged in the U.S. Government catalog under NSN 4720-01-300-2990. This indicates validated use in U.S. government and defense supply chains.
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