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KC49537-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

KC49537-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL TOP, material: RUBBER SILICONE CLASS Q OVERALL, outside_diameter: 3.690 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.590 INCHES NOMINAL IN, cross-sectional_thickness: 0.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-448-2762, 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
KC49537-1
NSN: 5330-01-448-2762
FSC: 5330 — Packing and Gasket Materials
CAGE: 18118 — TOLO INCORPORATED DBA BFGOODRICH AEROSPACE, TOLO DIVISION (USA)
SPECIFICATIONS
cut_typeDIAGONAL TOP
materialRUBBER SILICONE CLASS Q OVERALL
outside_diameter3.690 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.590 INCHES NOMINAL IN
cross-sectional_thickness0.380 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationZZ-R-765, CL2B, GR40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-448-2762
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KC49537-1 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 THICKNESS: 0.380 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765, CL2B, GR40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.690 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.590 INCHES NOMINAL IN
•
CUT TYPE: DIAGONAL TOP
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.380 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765, CL2B, GR40 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.690 INCHES NOMINAL IN
APERTURE DIAMETER2.590 INCHES NOMINAL IN
CUT TYPEDIAGONAL TOP
MATERIALRUBBER SILICONE CLASS Q OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is KC49537-1?
KC49537-1 is a GASKET.
What is the NSN for KC49537-1?
KC49537-1 is cataloged in the U.S. Government catalog under NSN 5330-01-448-2762. 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.