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4679T291 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4679T291: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, special_features: OUTSIDE DIAMETER:5.762 INCHES; CROSS SECTION SHAPE:ROUND IN, center_hole_diameter: 5.484 INCHES NOMINAL IN, cross-sectional_height: 0.139 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-591-8233, 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
4679T291
NSN: 5331-01-591-8233
FSC: 5331 — O-ring
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
special_featuresOUTSIDE DIAMETER:5.762 INCHES; CROSS SECTION SHAPE:ROUND IN
center_hole_diameter5.484 INCHES NOMINAL IN
cross-sectional_height0.139 INCHES NOMINAL IN
NSN5331-01-591-8233
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4679T291 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 275.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 5.484 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
COLORBLACK
SPECIAL FEATURESOUTSIDE DIAMETER:5.762 INCHES; CROSS SECTION SHAPE:ROUND IN
CENTER HOLE DIAMETER5.484 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE NITRILE
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4679T291?
4679T291 is a O-RING.
What is the NSN for 4679T291?
4679T291 is cataloged in the U.S. Government catalog under NSN 5331-01-591-8233. This indicates validated use in U.S. government and defense supply chains.
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