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64490 — KEY,MACHINE

✓ Government record, cited
Kensington · ORING SEAL
PRODUCT OVERVIEW

64490: KEY,MACHINE.

The KEY,MACHINE is a Kensington industrial component. Key specifications include overall_width: 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN, overall_height: 0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN, overall_length: 1.744 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, style_designator: PLAIN, starting_edge_radius: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-051-7951, 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
64490
NSN: 5330-00-051-7951
NIINs: 000517951, 010729281
FSC: 5330 — Packing and Gasket Materials
CAGE: 91126 — VIC MFG CO (USA)
SPECIFICATIONS
overall_width0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
overall_height0.500 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
overall_length1.744 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
style_designatorPLAIN
starting_edge_radius0.250 INCHES NOMINAL IN
NSN5330-00-051-7951
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 64490 MFR: Kensington ⚠ 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
•
FSC APPLICATION DATA: DAMPER,COMMERCIAL LAUNDRY
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
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STYLE DESIGNATOR: CIRCULAR
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3533 TY 2 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
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OUTSIDE DIAMETER: 7.188 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATADAMPER,COMMERCIAL LAUNDRY
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3533 TY 2 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER7.188 INCHES NOMINAL IN
APERTURE DIAMETER2.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER3.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
Manufacturer release date (catalog record)2007-08-20
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 64490?
64490 is a KEY,MACHINE manufactured by Kensington.
What is the NSN for 64490?
64490 is cataloged in the U.S. Government catalog under NSN 5330-00-051-7951. This indicates validated use in U.S. government and defense supply chains.
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