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MS9068-40 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS9068-40: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.978 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN, center_hole_diameter: 2.849 INCHES MINIMUM AND 2.879 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-764-1787, 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
MS9068-40
NSN: 5331-00-764-1787
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter2.978 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
center_hole_diameter2.849 INCHES MINIMUM AND 2.879 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-764-1787
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS9068-40 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.978 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 2.849 INCHES MINIMUM AND 2.879 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.978 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER2.849 INCHES MINIMUM AND 2.879 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 7
2-040 S604-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS3582Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS9068-040Reference document
Same NSN cross-reference
Reference document — Secondary reference
S0604 2-040Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS3582-040Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
040-11307Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS9068-40?
MS9068-40 is a O-RING.
What parts can replace MS9068-40?
There are 7 known substitutes for MS9068-40: 2-040 S604-70, SAE-AS3582, MS9068-040 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9068-40?
MS9068-40 is cataloged in the U.S. Government catalog under NSN 5331-00-764-1787. This indicates validated use in U.S. government and defense supply chains.
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