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Technical Data Sheet
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20850-264 — HOSE ASSEMBLY,METALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

20850-264: HOSE ASSEMBLY,METALLIC.

The HOSE ASSEMBLY,METALLIC is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4720-01-651-0845, 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
20850-264
NSN: 4720-01-651-0845
FSC: 4720 — Hose and Flexible Tubing
CAGE: 56033 — UNAFLEX INC. (USA)
SPECIFICATIONS
Part Number20850-264
NSN4720-01-651-0845
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 20850-264 · 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
SUBSTITUTES & CROSS-REFERENCES 2
Q177240Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
Q177240 REV C P/N 20850-264Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20850-264?
20850-264 is a HOSE ASSEMBLY,METALLIC.
What parts can replace 20850-264?
There are 2 known substitutes for 20850-264: Q177240, Q177240 REV C P/N 20850-264. Substitute compatibility should be verified for your specific system.
What is the NSN for 20850-264?
20850-264 is cataloged in the U.S. Government catalog under NSN 4720-01-651-0845. 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.