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8C7A9 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

8C7A9: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR ALL PLIES, connection_type: PLAIN FIRST END, inside_diameter: 0.188 INCHES NOMINAL FIRST END IN, style_designator: SLEEVE SECTION, features_provided: OZONE RESISTANT, cross-sectional_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-540-1828, 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
8C7A9
NSN: 4720-00-540-1828
FSC: 4720 — Hose and Flexible Tubing
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR ALL PLIES
connection_typePLAIN FIRST END
inside_diameter0.188 INCHES NOMINAL FIRST END IN
style_designatorSLEEVE SECTION
features_providedOZONE RESISTANT
cross-sectional_shape_styleROUND
measuring_method_and_length36.000 INCHES NOMINAL OVERALL IN
NSN4720-00-540-1828
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 8C7A9 · 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: 36.000 INCHES NOMINAL OVERALL IN
•
CONNECTION TYPE: PLAIN FIRST END
•
STYLE DESIGNATOR: SLEEVE SECTION
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
FEATURES PROVIDED: OZONE RESISTANT
•
INSIDE DIAMETER: 0.188 INCHES NOMINAL FIRST END IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR ALL PLIES
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH36.000 INCHES NOMINAL OVERALL IN
CONNECTION TYPEPLAIN FIRST END
STYLE DESIGNATORSLEEVE SECTION
CROSS-SECTIONAL SHAPE STYLEROUND
FEATURES PROVIDEDOZONE RESISTANT
INSIDE DIAMETER0.188 INCHES NOMINAL FIRST END IN
SPECIAL FEATURESTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 43999 HAVE INDICATED THIER PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
MATERIALRUBBER CHLOROPRENE CLASS CR ALL PLIES
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8C7A9?
8C7A9 is a HOSE,AIR DUCT.
What is the NSN for 8C7A9?
8C7A9 is cataloged in the U.S. Government catalog under NSN 4720-00-540-1828. This indicates validated use in U.S. government and defense supply chains.
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