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Technical Data Sheet
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4085049 — 4085049

✓ Government record, cited
RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY · PIPE SECTION
PRODUCT OVERVIEW

4085049: 4085049.

The 4085049 is a RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY industrial component. This part is cataloged in the U.S. Government catalog under NSN 4720-01-456-2015, 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
4085049
NSN: 4720-01-456-2015
FSC: 4720 — Hose and Flexible Tubing
CAGE: 52661 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
Part Number4085049
ManufacturerRTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
NSN4720-01-456-2015
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 4085049 · RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY ⚠ 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: 90.0 DEGREES SECOND END
•
MEASURING METHOD AND LENGTH: 28.250 INCHES MINIMUM WORKING AND 28.750 INCHES MAXIMUM WORKING IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 5.500 INCHES IN
•
CONNECTION STYLE: SWIVEL NUT FLARE SECOND END
•
END CONNECTION DESIGN: ELBOW SECOND END
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES SECOND END
MEASURING METHOD AND LENGTH28.250 INCHES MINIMUM WORKING AND 28.750 INCHES MAXIMUM WORKING IN
TEMP RATING-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS5.500 INCHES IN
CONNECTION STYLESWIVEL NUT FLARE SECOND END
CONNECTION STYLESWIVEL NUT FLARE 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 2
4720PL0887491Reference document
Same NSN cross-reference
Reference document — Informative reference only
A9164-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4085049?
4085049 is a 4085049 manufactured by RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY.
What parts can replace 4085049?
There are 2 known substitutes for 4085049: 4720PL0887491, A9164-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 4085049?
4085049 is cataloged in the U.S. Government catalog under NSN 4720-01-456-2015. 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.