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Technical Data Sheet
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4085050 — 4085050

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

4085050: 4085050.

The 4085050 is a RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY industrial component. This part is cataloged in the U.S. Government catalog under NSN 4720-01-456-1997, 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
4085050
NSN: 4720-01-456-1997
FSC: 4720 — Hose and Flexible Tubing
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
Part Number4085050
ManufacturerRTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
NSN4720-01-456-1997
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 4085050 · 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
SUBSTITUTES & CROSS-REFERENCES 2
4720PL1998300Reference document
Same NSN cross-reference
Reference document — Informative reference only
4720PL0887490Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 4085050?
4085050 is a 4085050 manufactured by RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY.
What parts can replace 4085050?
There are 2 known substitutes for 4085050: 4720PL1998300, 4720PL0887490. Substitute compatibility should be verified for your specific system.
What is the NSN for 4085050?
4085050 is cataloged in the U.S. Government catalog under NSN 4720-01-456-1997. 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.