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7866-026 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7866-026: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 1.362 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN, center_hole_diameter: 1.233 INCHES MINIMUM AND 1.245 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, material_document_and_classification: MIL-P-5315 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-003-9157, 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
7866-026
NSN: 5331-00-003-9157
FSC: 5331 — O-ring
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.362 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN
center_hole_diameter1.233 INCHES MINIMUM AND 1.245 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-5315 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-003-9157
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7866-026 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: 1.362 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-5315 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 1.233 INCHES MINIMUM AND 1.245 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.362 INCHES MINIMUM AND 1.396 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5315 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER1.233 INCHES MINIMUM AND 1.245 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
04052573036357Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
457-60-026Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS29513Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-026 N602-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
SR-822A-60-026Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AJ60-36Same 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 7866-026?
7866-026 is a O-RING.
What parts can replace 7866-026?
There are 9 known substitutes for 7866-026: 04052573036357, 457-60-026, AS29513 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7866-026?
7866-026 is cataloged in the U.S. Government catalog under NSN 5331-00-003-9157. This indicates validated use in U.S. government and defense supply chains.
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