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SM-B-850109 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SM-B-850109: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.033 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN, center_hole_diameter: 0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN, elongation_percentage: 252 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-045-2487, 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
SM-B-850109
NSN: 5331-01-045-2487
FSC: 5331 — O-ring
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A NOMINAL
outside_diameter1.033 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
center_hole_diameter0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
elongation_percentage252 MAXIMUM
cross-sectional_height0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
NSN5331-01-045-2487
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-B-850109 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: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.033 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 252 MAXIMUM
•
CENTER HOLE DIAMETER: 0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.033 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE252 MAXIMUM
CENTER HOLE DIAMETER0.977 INCHES MINIMUM AND 0.997 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SM-B-850109?
SM-B-850109 is a O-RING.
What is the NSN for SM-B-850109?
SM-B-850109 is cataloged in the U.S. Government catalog under NSN 5331-01-045-2487. This indicates validated use in U.S. government and defense supply chains.
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