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66200-N-B985 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

66200-N-B985: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 9.062 INCHES NOMINAL IN, aperture_diameter: 5.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-435-5966, 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
66200-N-B985
NSN: 5330-01-435-5966
FSC: 5330 — Packing and Gasket Materials
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
hole_diameter0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_length9.062 INCHES NOMINAL IN
aperture_diameter5.750 INCHES NOMINAL IN
bolt_hole_quantity6
NSN5330-01-435-5966
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66200-N-B985 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
•
APERTURE DIAMETER: 5.750 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
HOLE DIAMETER: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
OVERALL LENGTH9.062 INCHES NOMINAL IN
APERTURE DIAMETER5.750 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
HOLE DIAMETER0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
1315-023 IT 19 4INReference document
Same NSN cross-reference
Reference document — Secondary 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 66200-N-B985?
66200-N-B985 is a GASKET.
What parts can replace 66200-N-B985?
There is 1 known substitute for 66200-N-B985: 1315-023 IT 19 4IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 66200-N-B985?
66200-N-B985 is cataloged in the U.S. Government catalog under NSN 5330-01-435-5966. 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.