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MS28775-334 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-334: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: ALOFTS SONAR SYSTEM, MODEL 980 (V1), part_name_assigned_by_controlling_agency: O-RING, AS 568. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-194-3719, 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
MS28775-334
NSN: 5331-00-194-3719
NIINs: 001943719, 002920578, 008625427, 013625045, 015249736
FSC: 5331 — O-ring
CAGE: 77308 — PARCO, LLC (USA)
SPECIFICATIONS
end_item_identificationALOFTS SONAR SYSTEM, MODEL 980 (V1)
part_name_assigned_by_controlling_agencyO-RING, AS 568
NSN5331-00-194-3719
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-334 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: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.590 INCHES MINIMUM AND 2.610 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.590 INCHES MINIMUM AND 2.610 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
902-37Reference document
Same NSN cross-reference
Reference document — Secondary reference
529900PC94Reference document
Same NSN cross-reference
Reference document — Secondary reference
395-4737Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AN6227-37Reference document
Same NSN cross-reference
Reference document — Secondary reference
120039-37Reference document
Same NSN cross-reference
Reference document — Secondary reference
R140255PC60Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28775-334?
MS28775-334 is a O-RING.
What parts can replace MS28775-334?
There are 9 known substitutes for MS28775-334: 902-37, 529900PC94, 395-4737 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-334?
MS28775-334 is cataloged in the U.S. Government catalog under NSN 5331-00-194-3719. 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.