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Technical Data Sheet
PartsTable / O-RING / MS28775-213CP
MS28775-213CP ✓ 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 end_item_identification: VALVE RELIEF .75IPS, departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-381-0071, 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
MS28775-213CP
NSN: 5331-01-381-0071
FSC: 5331 — O-RING
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
end_item_identificationVALVE RELIEF .75IPS
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5331-01-381-0071
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-213CP 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
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
CRITICALITY CODE JUSTIFICATION: ZZZW
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE RELIEF .75IPS
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
CRITICALITY CODE JUSTIFICATIONZZZW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS28775-213Interchangeable
interchangeable cross-reference
interchangeable
5908366Interchangeable
interchangeable cross-reference
interchangeable
2-213 N304-75Interchangeable
interchangeable cross-reference
interchangeable
A6689.213.201Interchangeable
interchangeable cross-reference
interchangeable
200-2439190PC10Interchangeable
interchangeable cross-reference
interchangeable
845-1889668 PC25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28775-213CP?
MS28775-213CP is a O-RING.
What parts can replace MS28775-213CP?
There are 10 known substitutes for MS28775-213CP: MS28775-213, 5908366, 2-213 N304-75 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-213CP?
MS28775-213CP is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-381-0071. 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