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4478695B-PIECE9 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4478695B-PIECE9: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 1.629 INCHES NOMINAL IN, center_hole_diameter: 1.476 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN, cross-sectional_height: 0.0625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-837-5422, 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
4478695B-PIECE9
NSN: 5331-00-837-5422
FSC: 5331 — O-ring
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter1.629 INCHES NOMINAL IN
center_hole_diameter1.476 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
cross-sectional_height0.0625 INCHES NOMINAL IN
NSN5331-00-837-5422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4478695B-PIECE9 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.0625 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.629 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.476 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.0625 INCHES NOMINAL IN
OUTSIDE DIAMETER1.629 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.476 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 2
J200AH29Reference document
Same NSN cross-reference
Reference document — Secondary reference
216684PC24Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4478695B-PIECE9?
4478695B-PIECE9 is a O-RING.
What parts can replace 4478695B-PIECE9?
There are 2 known substitutes for 4478695B-PIECE9: J200AH29, 216684PC24. Substitute compatibility should be verified for your specific system.
What is the NSN for 4478695B-PIECE9?
4478695B-PIECE9 is cataloged in the U.S. Government catalog under NSN 5331-00-837-5422. This indicates validated use in U.S. government and defense supply chains.
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