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Technical Data Sheet
PartsTable / COMPONENT / 7D0311E0542A
7D0311E0542A ✓ 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,AIR BREATHING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q LINER, coupling_style: THREADED INTERNAL BOTH ENDS, wall_thickness: 0.310 INCHES NOMINAL IN, connection_type: THREADED BOTH ENDS, inside_diameter: 0.500 INCHES NOMINAL FIRST END IN, special_features: CONNECTION TYPE: GROUND JOINT EXTERNALLY THREADED TAILPIECE W/UNION NUT BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-391-3877, 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
7D0311E0542A
NSN: 4720-01-391-3877
FSC: 4720
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q LINER
coupling_styleTHREADED INTERNAL BOTH ENDS
wall_thickness0.310 INCHES NOMINAL IN
connection_typeTHREADED BOTH ENDS
inside_diameter0.500 INCHES NOMINAL FIRST END IN
special_featuresCONNECTION TYPE: GROUND JOINT EXTERNALLY THREADED TAILPIECE W/UNION NUT BOTH ENDS
style_designatorSLEEVE SECTION
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
nominal_thread_size0.750 INCHES BOTH ENDS IN
end_item_identificationU/O C-17A AIRCRAFT A
thread_quantity_per_inch16 BOTH ENDS
thread_series_designatorUNF BOTH ENDS
NSN4720-01-391-3877
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 7D0311E0542A · 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
•
CONNECTION TYPE: THREADED BOTH ENDS
•
THREAD QUANTITY PER INCH: 16 BOTH ENDS
•
STYLE DESIGNATOR: SLEEVE SECTION
•
MEASURING METHOD AND LENGTH: 54.250 INCHES NOMINAL OVERALL IN
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
NOMINAL THREAD SIZE: 0.750 INCHES BOTH ENDS IN
•
MATERIAL: STEEL CORROSION RESISTING THIRD PLY
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED BOTH ENDS
THREAD QUANTITY PER INCH16 BOTH ENDS
STYLE DESIGNATORSLEEVE SECTION
MEASURING METHOD AND LENGTH54.250 INCHES NOMINAL OVERALL IN
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
NOMINAL THREAD SIZE0.750 INCHES BOTH ENDS IN
MATERIALSTEEL CORROSION RESISTING THIRD PLY
MATERIALPLASTIC POLYAMIDE NYLON FOURTH PLY
MATERIALPLASTIC POLYAMIDE NYLON COVER
WALL THICKNESS0.310 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
40081420Interchangeable
interchangeable cross-reference
interchangeable
TH163Interchangeable
interchangeable cross-reference
interchangeable
F2242-000793Interchangeable
interchangeable cross-reference
interchangeable
55104Interchangeable
interchangeable cross-reference
interchangeable
98801Interchangeable
interchangeable cross-reference
interchangeable
607151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7D0311E0542A?
7D0311E0542A is a HOSE ASSEMBLY,AIR BREATHING.
What parts can replace 7D0311E0542A?
There are 19 known substitutes for 7D0311E0542A: 40081420, TH163, F2242-000793 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7D0311E0542A?
7D0311E0542A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-391-3877. 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