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Technical Data Sheet
PartsTable / COMPONENT / MILP5516CLASSA
MILP5516CLASSA ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, cross-sectional_height: 0.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-123-5665, 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
MILP5516CLASSA
NSN: 5330-00-123-5665
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
cross-sectional_height0.125 INCHES NOMINAL IN
NSN5330-00-123-5665
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MILP5516CLASSA 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
•
CENTER HOLE DIAMETER: 4.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: V
•
RIM SURFACE WIDTH: 0.250 INCHES NOMINAL IN
•
HARDNESS RATING: 88.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER4.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEV
RIM SURFACE WIDTH0.250 INCHES NOMINAL IN
HARDNESS RATING88.0 SHORE DUROMETER A MINIMUM AND 93.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1PS1Interchangeable
interchangeable cross-reference
interchangeable
182MGV1Interchangeable
interchangeable cross-reference
interchangeable
81322Interchangeable
interchangeable cross-reference
interchangeable
MILP5516CLASSAInterchangeable
interchangeable cross-reference
interchangeable
203289Interchangeable
interchangeable cross-reference
interchangeable
1820-57400-90Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILP5516CLASSA?
MILP5516CLASSA is a O-RING.
What parts can replace MILP5516CLASSA?
There are 12 known substitutes for MILP5516CLASSA: 1PS1, 182MGV1, 81322 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILP5516CLASSA?
MILP5516CLASSA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-123-5665. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026