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5P-8428 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5P-8428: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: FLUOROCARBON RUBBER, temp_rating: -40.0 CELSIUS AND 350.0 CELSIUS DEGC, outside_diameter: 7.012 INCHES NOMINAL IN, center_hole_diameter: 6.734 INCHES NOMINAL IN, end_item_identification: CAMSHAFT GP PARTS, cross-sectional_diameter: 0.139 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-706-5905, 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
5P-8428
NSN: 5331-01-706-5905
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialFLUOROCARBON RUBBER
temp_rating-40.0 CELSIUS AND 350.0 CELSIUS DEGC
outside_diameter7.012 INCHES NOMINAL IN
center_hole_diameter6.734 INCHES NOMINAL IN
end_item_identificationCAMSHAFT GP PARTS
cross-sectional_diameter0.139 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyO-RING SEAL
NSN5331-01-706-5905
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5P-8428 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: -40.0 CELSIUS AND 350.0 CELSIUS DEGC
•
OUTSIDE DIAMETER: 7.012 INCHES NOMINAL IN
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 6.734 INCHES NOMINAL IN
•
MATERIAL: FLUOROCARBON RUBBER
•
CROSS-SECTIONAL DIAMETER: 0.139 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 CELSIUS AND 350.0 CELSIUS DEGC
OUTSIDE DIAMETER7.012 INCHES NOMINAL IN
COLORBLACK
CENTER HOLE DIAMETER6.734 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING SEAL
END ITEM IDENTIFICATIONCAMSHAFT GP PARTS
MATERIALFLUOROCARBON RUBBER
CROSS-SECTIONAL DIAMETER0.139 INCHES NOMINAL IN
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 5P-8428?
5P-8428 is a O-RING.
What is the NSN for 5P-8428?
5P-8428 is cataloged in the U.S. Government catalog under NSN 5331-01-706-5905. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.