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MS28775-155 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-155: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 4.159 INCHES MINIMUM AND 4.227 INCHES MAXIMUM IN, center_hole_diameter: 3.972 INCHES MINIMUM AND 4.002 INCHES MAXIMUM IN, 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 5331-00-912-5040, 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
MS28775-155
NSN: 5331-00-912-5040
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter4.159 INCHES MINIMUM AND 4.227 INCHES MAXIMUM IN
center_hole_diameter3.972 INCHES MINIMUM AND 4.002 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-912-5040
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-155 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: 4.159 INCHES MINIMUM AND 4.227 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.972 INCHES MINIMUM AND 4.002 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.159 INCHES MINIMUM AND 4.227 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.972 INCHES MINIMUM AND 4.002 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
10154081Reference document
Same NSN cross-reference
Reference document — Informative reference only
7377-155Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9469126155Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SR 832-75-155Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5331PL2227518Reference document
Same NSN cross-reference
Reference document — Informative reference only
2-155N304-7Reference 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 MS28775-155?
MS28775-155 is a O-RING.
What parts can replace MS28775-155?
There are 9 known substitutes for MS28775-155: 10154081, 7377-155, 9469126155 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-155?
MS28775-155 is cataloged in the U.S. Government catalog under NSN 5331-00-912-5040. This indicates validated use in U.S. government and defense supply chains.
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