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04-21529-4 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

04-21529-4: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.750 INCHES NOMINAL IN, outside_diameter: 1.090 INCHES NOMINAL IN, operating_pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS, burst_test_pressure: 500.0 POUNDS PER SQUARE INCH LBS, nominal_thread_size: 0.750 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-656-2117, 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
04-21529-4
NSN: 4720-01-656-2117
FSC: 4720 — Hose and Flexible Tubing
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.750 INCHES NOMINAL IN
outside_diameter1.090 INCHES NOMINAL IN
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure500.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.750 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
end_item_identification6115-01-561-7455
media_for_which_designedOIL SINGLE RESPONSE
thread_quantity_per_inch14 FIRST END
thread_series_designatorNPTF FIRST END
cross-sectional_shape_styleROUND
NSN4720-01-656-2117
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 04-21529-4 · 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: 385.0 MILLIMETERS NOMINAL OVERALL MM
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.750 INCHES FIRST END IN
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.090 INCHES NOMINAL IN
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH385.0 MILLIMETERS NOMINAL OVERALL MM
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.750 INCHES FIRST END IN
END CONNECTION DESIGNSTRAIGHT FIRST END
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.090 INCHES NOMINAL IN
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
INSIDE DIAMETER0.750 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDOIL SINGLE RESPONSE
SUBSTITUTES & CROSS-REFERENCES 2
04-21529Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
A040Y325Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 04-21529-4?
04-21529-4 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 04-21529-4?
There are 2 known substitutes for 04-21529-4: 04-21529, A040Y325. Substitute compatibility should be verified for your specific system.
What is the NSN for 04-21529-4?
04-21529-4 is cataloged in the U.S. Government catalog under NSN 4720-01-656-2117. 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.