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K90301 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

K90301: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, special_features: NEXT HIGHER ASSY IS NSN 2840-01-526-5791; POWER TURBINE ASSY, center_hole_diameter: 4.555 INCHES MINIMUM AND 4.615 INCHES MAXIMUM IN, cross-sectional_height: 0.131 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN, end_item_identification: POWER TURBINE ASSEMBLY; TURBO PROP ENGINE (T58). This part is cataloged in the U.S.

Government catalog under NSN 5331-01-526-6261, 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
K90301
NSN: 5331-01-526-6261
FSC: 5331 — O-ring
CAGE: 0GGM9 — KALREZ USA, LLC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
hardness_rating70.0 SHORE DUROMETER A NOMINAL
special_featuresNEXT HIGHER ASSY IS NSN 2840-01-526-5791; POWER TURBINE ASSY
center_hole_diameter4.555 INCHES MINIMUM AND 4.615 INCHES MAXIMUM IN
cross-sectional_height0.131 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN
end_item_identificationPOWER TURBINE ASSEMBLY; TURBO PROP ENGINE (T58)
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agencyINAVY: PACKING, PREFORMED
NSN5331-01-526-6261
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K90301 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: 0.131 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
CENTER HOLE DIAMETER: 4.555 INCHES MINIMUM AND 4.615 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.131 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CRITICALITY CODE JUSTIFICATIONAGAV
SPECIAL FEATURESNEXT HIGHER ASSY IS NSN 2840-01-526-5791; POWER TURBINE ASSY
CENTER HOLE DIAMETER4.555 INCHES MINIMUM AND 4.615 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY: PACKING, PREFORMED
END ITEM IDENTIFICATIONPOWER TURBINE ASSEMBLY; TURBO PROP ENGINE (T58)
MATERIALRUBBER SILICONE CLASS Q
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 1
A9A24701-00616Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K90301?
K90301 is a O-RING.
What parts can replace K90301?
There is 1 known substitute for K90301: A9A24701-00616. Substitute compatibility should be verified for your specific system.
What is the NSN for K90301?
K90301 is cataloged in the U.S. Government catalog under NSN 5331-01-526-6261. This indicates validated use in U.S. government and defense supply chains.
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