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Technical Data Sheet
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262-1046 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

262-1046: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 82.5 MILLIMETERS MINIMUM AND 83.5 MILLIMETERS MAXIMUM MM, cross-sectional_height: 4.5 MILLIMETERS MINIMUM AND 5.1 MILLIMETERS MAXIMUM MM, end_item_identification: GENERATOR SET,SHIP DIESEL NO. 1 & NO.

2. This part is cataloged in the U.S. Government catalog under NSN 5331-01-535-4081, 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
262-1046
NSN: 5331-01-535-4081
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter82.5 MILLIMETERS MINIMUM AND 83.5 MILLIMETERS MAXIMUM MM
cross-sectional_height4.5 MILLIMETERS MINIMUM AND 5.1 MILLIMETERS MAXIMUM MM
end_item_identificationGENERATOR SET,SHIP DIESEL NO. 1 & NO. 2
NSN5331-01-535-4081
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 262-1046 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: 4.5 MILLIMETERS MINIMUM AND 5.1 MILLIMETERS MAXIMUM MM
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 82.5 MILLIMETERS MINIMUM AND 83.5 MILLIMETERS MAXIMUM MM
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT4.5 MILLIMETERS MINIMUM AND 5.1 MILLIMETERS MAXIMUM MM
COLORBLACK
CENTER HOLE DIAMETER82.5 MILLIMETERS MINIMUM AND 83.5 MILLIMETERS MAXIMUM MM
END ITEM IDENTIFICATIONGENERATOR SET,SHIP DIESEL NO. 1 & NO. 2
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

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 262-1046?
262-1046 is a O-RING.
What is the NSN for 262-1046?
262-1046 is cataloged in the U.S. Government catalog under NSN 5331-01-535-4081. This indicates validated use in U.S. government and defense supply chains.
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