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7866-380 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7866-380: 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: 11.895 INCHES NOMINAL IN, center_hole_diameter: 11.435 INCHES MINIMUM AND 11.505 INCHES MAXIMUM IN, elongation_percentage: 200 MAXIMUM, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-005-3619, 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
7866-380
NSN: 5331-00-005-3619
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_diameter11.895 INCHES NOMINAL IN
center_hole_diameter11.435 INCHES MINIMUM AND 11.505 INCHES MAXIMUM IN
elongation_percentage200 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-00-005-3619
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7866-380 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: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 11.895 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 200 MAXIMUM
•
CENTER HOLE DIAMETER: 11.435 INCHES MINIMUM AND 11.505 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER11.895 INCHES NOMINAL IN
ELONGATION PERCENTAGE200 MAXIMUM
CENTER HOLE DIAMETER11.435 INCHES MINIMUM AND 11.505 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 8
C-69-380Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PX1775-380Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1793-380Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS29513-380Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SR-822A-60-380Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
63B0267-380Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7866-380?
7866-380 is a O-RING.
What parts can replace 7866-380?
There are 8 known substitutes for 7866-380: C-69-380, PX1775-380, 1793-380 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7866-380?
7866-380 is cataloged in the U.S. Government catalog under NSN 5331-00-005-3619. This indicates validated use in U.S. government and defense supply chains.
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