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47315 ITEM 18 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

47315 ITEM 18: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 10.500 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, end_item_identification: HYDRAULIC CYLINDER. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-508-7239, 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
47315 ITEM 18
NSN: 5331-01-508-7239
FSC: 5331 — O-ring
CAGE: 60848 — ALLIED SYSTEMS COMPANY DBA ALLIED SYSTEMS CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter10.500 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
end_item_identificationHYDRAULIC CYLINDER
NSN5331-01-508-7239
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 47315 ITEM 18 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: 0.125 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 10.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
CENTER HOLE DIAMETER10.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHYDRAULIC CYLINDER
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 2
233128Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-275N552-90Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 47315 ITEM 18?
47315 ITEM 18 is a O-RING.
What parts can replace 47315 ITEM 18?
There are 2 known substitutes for 47315 ITEM 18: 233128, 2-275N552-90. Substitute compatibility should be verified for your specific system.
What is the NSN for 47315 ITEM 18?
47315 ITEM 18 is cataloged in the U.S. Government catalog under NSN 5331-01-508-7239. This indicates validated use in U.S. government and defense supply chains.
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