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7866-048 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7866-048: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, outside_diameter: 4.879 INCHES NOMINAL IN, center_hole_diameter: 4.724 INCHES MINIMUM AND 4.754 INCHES MAXIMUM IN, elongation_percentage: 200 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 5331-01-018-5661, 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
7866-048
NSN: 5331-01-018-5661
FSC: 5331 — O-ring
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
outside_diameter4.879 INCHES NOMINAL IN
center_hole_diameter4.724 INCHES MINIMUM AND 4.754 INCHES MAXIMUM IN
elongation_percentage200 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-01-018-5661
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7866-048 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: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.879 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 200 MAXIMUM
•
CENTER HOLE DIAMETER: 4.724 INCHES MINIMUM AND 4.754 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.879 INCHES NOMINAL IN
ELONGATION PERCENTAGE200 MAXIMUM
CENTER HOLE DIAMETER4.724 INCHES MINIMUM AND 4.754 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
10V60-141-048Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2661058B048Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS9021-048Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS29513-048Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS29513Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SR-822A-60-048Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7866-048?
7866-048 is a O-RING.
What parts can replace 7866-048?
There are 8 known substitutes for 7866-048: 10V60-141-048, 2661058B048, MS9021-048 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7866-048?
7866-048 is cataloged in the U.S. Government catalog under NSN 5331-01-018-5661. This indicates validated use in U.S. government and defense supply chains.
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