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8756489 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8756489: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 17.250 INCHES MINIMUM AND 17.344 INCHES MAXIMUM IN, cross-sectional_height: 0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN, end_item_identification: M113, specification/standard_data: 96906-DOD-STD-00100D GOVERNMENT STANDARD AND 80204-ANSI Y14.5M-1982 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-679-9858, 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
8756489
NSN: 5331-00-679-9858
FSC: 5331 — O-ring
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter17.250 INCHES MINIMUM AND 17.344 INCHES MAXIMUM IN
cross-sectional_height0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
end_item_identificationM113
specification/standard_data96906-DOD-STD-00100D GOVERNMENT STANDARD AND 80204-ANSI Y14.5M-1982 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5331-00-679-9858
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8756489 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: 0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 96906-DOD-STD-00100D GOVERNMENT STANDARD AND 80204-ANSI Y14.5M-1982 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CENTER HOLE DIAMETER: 17.250 INCHES MINIMUM AND 17.344 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA96906-DOD-STD-00100D GOVERNMENT STANDARD AND 80204-ANSI Y14.5M-1982 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CENTER HOLE DIAMETER17.250 INCHES MINIMUM AND 17.344 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONM113
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 2
5330006799858Reference document
Same NSN cross-reference
Reference document — Informative reference only
10875089Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 8756489?
8756489 is a O-RING.
What parts can replace 8756489?
There are 2 known substitutes for 8756489: 5330006799858, 10875089. Substitute compatibility should be verified for your specific system.
What is the NSN for 8756489?
8756489 is cataloged in the U.S. Government catalog under NSN 5331-00-679-9858. This indicates validated use in U.S. government and defense supply chains.
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