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MS28775-229ES — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-229ES: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN, center_hole_diameter: 2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, end_item_identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-579-7918, 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
MS28775-229ES
NSN: 5331-00-579-7918
FSC: 5331 — O-ring
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
center_hole_diameter2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
NSN5331-00-579-7918
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-229ES 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.609 INCHES MINIMUM AND 2.665 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.349 INCHES MINIMUM AND 2.369 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
230079119Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ARP568-229MILP5 516BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
005-0080-51AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
671-00029Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS28775-229Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330005797918Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28775-229ES?
MS28775-229ES is a O-RING.
What parts can replace MS28775-229ES?
There are 9 known substitutes for MS28775-229ES: 230079119, ARP568-229MILP5 516B, 005-0080-51A and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-229ES?
MS28775-229ES is cataloged in the U.S. Government catalog under NSN 5331-00-579-7918. 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.