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MS28775-131 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-131: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, special_features: CERTIFIED FREE FROM MERCURY CONTAMINATION, peripheral_diameter: 1.880 INCHES NOMINAL IN, center_hole_diameter: 1.664 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-808-7612, 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
MS28775-131
NSN: 5331-00-808-7612
NIINs: 008087612, 011602086
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
special_featuresCERTIFIED FREE FROM MERCURY CONTAMINATION
peripheral_diameter1.880 INCHES NOMINAL IN
center_hole_diameter1.664 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
special_test_featuresSPECIAL QUALITY CONTROL TESTING
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
departure_from_cited_documentAS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
criticality_code_justificationZZZW AND FEAT
NSN5331-00-808-7612
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-131 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.859 INCHES MINIMUM AND 1.901 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.664 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.859 INCHES MINIMUM AND 1.901 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.664 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
ASC1391100Reference document
Same NSN cross-reference
Reference document — Secondary reference
2533405-131Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS568A-131MILP2 5732Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-131 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330008087612Reference document
Same NSN cross-reference
Reference document — Secondary reference
5331PL0809486Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28775-131?
MS28775-131 is a O-RING.
What parts can replace MS28775-131?
There are 8 known substitutes for MS28775-131: ASC1391100, 2533405-131, AS568A-131MILP2 5732 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-131?
MS28775-131 is cataloged in the U.S. Government catalog under NSN 5331-00-808-7612. This indicates validated use in U.S. government and defense supply chains.
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