PartsTable
Technical Data Sheet
PartsTable / O-RING / MS28778-16
MS28778-16 ✓ 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, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, outside_diameter: 1.403 INCHES NOMINAL IN, center_hole_diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN, elongation_percentage: 80 MAXIMUM, cross-sectional_height: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-804-5694, 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
MS28778-16
NSN: 5331-00-804-5694
FSC: 5331 — O-RING
CAGE: F0229 — LE JOINT FRANCAIS (FRA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
outside_diameter1.403 INCHES NOMINAL IN
center_hole_diameter1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
elongation_percentage80 MAXIMUM
cross-sectional_height0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
criticality_code_justificationADYT
NSN5331-00-804-5694
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28778-16 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
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 1.385 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
END ITEM IDENTIFICATIONRG-31 MRAP; MEDIUM MINE PROTECTED VEHICLE - MMPV; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
OUTSIDE DIAMETER1.385 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
2528918Interchangeable
interchangeable cross-reference
interchangeable
MILP5510Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5510Interchangeable
interchangeable cross-reference
interchangeable
LA500Interchangeable
interchangeable cross-reference
interchangeable
352080R91Interchangeable
interchangeable cross-reference
interchangeable
225116Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy MS28778-16?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS28778-16?
MS28778-16 is a O-RING.
What parts can replace MS28778-16?
There are 34 known substitutes for MS28778-16: 2528918, MILP5510, AMS-P-5510 and 31 more. Substitute compatibility should be verified for your specific system.
Is MS28778-16 still available?
MS28778-16 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS28778-16

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026