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C91221 — SWITCH,CENTRIFUGAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C91221: SWITCH,CENTRIFUGAL.

The SWITCH,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE OVERALL, hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 23.625 INCHES NOMINAL IN, aperture_width: 21.375 INCHES NOMINAL IN, overall_length: 23.750 INCHES NOMINAL IN, aperture_length: 21.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-350-5948, 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
C91221
NSN: 5330-00-350-5948
NIINs: 003505948, 011909680
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width23.625 INCHES NOMINAL IN
aperture_width21.375 INCHES NOMINAL IN
overall_length23.750 INCHES NOMINAL IN
aperture_length21.500 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity18
inside_corner_radius1.250 INCHES NOMINAL IN
end_item_identificationAN/FPS-6
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-350-5948
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C91221 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: 0.062 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 21.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
INSIDE CORNER RADIUS1.250 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH23.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH23.625 INCHES NOMINAL IN
APERTURE WIDTH21.375 INCHES NOMINAL IN
APERTURE LENGTH21.500 INCHES NOMINAL IN
BOLT HOLE QUANTITY18
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 C91221?
C91221 is a SWITCH,CENTRIFUGAL.
What is the NSN for C91221?
C91221 is cataloged in the U.S. Government catalog under NSN 5330-00-350-5948. This indicates validated use in U.S. government and defense supply chains.
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