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MS28775-128CP — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-128CP: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, peripheral_diameter: 1.693 INCHES NOMINAL IN, center_hole_diameter: 1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-241-1939, 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
MS28775-128CP
NSN: 5331-01-241-1939
FSC: 5331 — O-ring
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
peripheral_diameter1.693 INCHES NOMINAL IN
center_hole_diameter1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
material_document_and_classificationMIL-R-83248/2 MIL SPEC ALL MATERIAL RESPONSES
NSN5331-01-241-1939
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-128CP 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248/2 MIL SPEC ALL MATERIAL RESPONSES
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
PERIPHERAL DIAMETER: 1.693 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZW
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248/2 MIL SPEC ALL MATERIAL RESPONSES
ELONGATION PERCENTAGE160 MAXIMUM
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
PERIPHERAL DIAMETER1.693 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.481 INCHES MINIMUM AND 1.493 INCHES MAXIMUM IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 2
MS28775-128Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS28775Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28775-128CP?
MS28775-128CP is a O-RING.
What parts can replace MS28775-128CP?
There are 2 known substitutes for MS28775-128CP: MS28775-128, SAE-AS28775. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-128CP?
MS28775-128CP is cataloged in the U.S. Government catalog under NSN 5331-01-241-1939. This indicates validated use in U.S. government and defense supply chains.
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