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000.963.13.21 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

000.963.13.21: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, special_features: 304.4 X 3.55 - P70 O-RING, center_hole_diameter: 304.4 MILLIMETERS NOMINAL MM, cross-sectional_height: 3.5 MILLIMETERS NOMINAL MM, end_item_identification: TRACK DRIVE GEAR BOX,GK-80. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-522-2675, 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
000.963.13.21
NSN: 5331-01-522-2675
FSC: 5331 — O-ring
CAGE: 0URD7 — LINDE HYDRAULICS CORP DIV LINDE HYDRAULICS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
special_features304.4 X 3.55 - P70 O-RING
center_hole_diameter304.4 MILLIMETERS NOMINAL MM
cross-sectional_height3.5 MILLIMETERS NOMINAL MM
end_item_identificationTRACK DRIVE GEAR BOX,GK-80
NSN5331-01-522-2675
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 000.963.13.21 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: 3.5 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 304.4 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT3.5 MILLIMETERS NOMINAL MM
SPECIAL FEATURES304.4 X 3.55 - P70 O-RING
CENTER HOLE DIAMETER304.4 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONTRACK DRIVE GEAR BOX,GK-80
MATERIALRUBBER SYNTHETIC
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 000.963.13.21?
000.963.13.21 is a O-RING.
What is the NSN for 000.963.13.21?
000.963.13.21 is cataloged in the U.S. Government catalog under NSN 5331-01-522-2675. 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.