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21A18-06C23-6 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

21A18-06C23-6: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: STEEL REINFORCING CORD, hose_weight: 6.225 OUNCES PER LINEAR FOOT OZ, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, inside_width: 2.000 INCHES NOMINAL FIRST END IN, outside_length: 3.500 INCHES NOMINAL BOTH ENDS IN, wall_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-628-2643, 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
21A18-06C23-6
NSN: 4720-01-628-2643
FSC: 4720 — Hose and Flexible Tubing
CAGE: 14711 — RSA ENGINEERED PRODUCTS, LLC DBA RSA ENGINEERED PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL REINFORCING CORD
hose_weight6.225 OUNCES PER LINEAR FOOT OZ
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
inside_width2.000 INCHES NOMINAL FIRST END IN
outside_length3.500 INCHES NOMINAL BOTH ENDS IN
wall_thickness0.050 INCHES NOMINAL IN
connection_typePLAIN BOTH ENDS
inside_diameter1.469 INCHES MINIMUM AND 1.531 INCHES MAXIMUM BOTH ENDS IN
connection_styleROUND BOTH ENDS
end_inside_width1.000 INCHES NOMINAL BOTH ENDS IN
outside_diameter1.769 INCHES MINIMUM AND 1.831 INCHES MAXIMUM BOTH ENDS IN
special_featuresWIRE HELIX, SPRING STEEL, BRONZE PLATED
NSN4720-01-628-2643
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 21A18-06C23-6 · 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
LE271-0106Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
NAS1369Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 21A18-06C23-6?
21A18-06C23-6 is a HOSE,AIR DUCT.
What parts can replace 21A18-06C23-6?
There are 2 known substitutes for 21A18-06C23-6: LE271-0106, NAS1369. Substitute compatibility should be verified for your specific system.
What is the NSN for 21A18-06C23-6?
21A18-06C23-6 is cataloged in the U.S. Government catalog under NSN 4720-01-628-2643. 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.