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21445 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21445: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, blade_type: SPIRAL, body_diameter: 4.125 INCHES NOMINAL IN, flow_direction: INSIDE OUT, style_designator: CYLINDRICAL W/ CONTAINER (RIGID), diameter_capacity: 0.375 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-202-1368, 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
21445
NSN: 5330-00-202-1368
NIINs: 002021368, 002248840, 004160244, 011692380, 012282577
FSC: 5330 — Packing and Gasket Materials
CAGE: 61423 — KIDDE TECHNOLOGIES, INC DIV KIDDE AEROSPACE AND DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
blade_typeSPIRAL
body_diameter4.125 INCHES NOMINAL IN
flow_directionINSIDE OUT
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
diameter_capacity0.375 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
body_overall_length8.125 INCHES NOMINAL IN
peripheral_diameter0.510 INCHES NOMINAL IN
center_hole_diameter0.240 INCHES NOMINAL IN
fsc_application_dataFIRE EXTINGUISHING SYSTEM AIRCRAFT
cross-sectional_height0.188 INCHES NOMINAL IN
cross-sectional_shape_styleV
NSN5330-00-202-1368
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21445 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
•
FSC APPLICATION DATA: FIRE EXTINGUISHING SYSTEM AIRCRAFT
•
CROSS-SECTIONAL HEIGHT: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: V
•
PERIPHERAL DIAMETER: 0.510 INCHES NOMINAL IN
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 0.240 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAFIRE EXTINGUISHING SYSTEM AIRCRAFT
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEV
PERIPHERAL DIAMETER0.510 INCHES NOMINAL IN
COLORBLACK
CENTER HOLE DIAMETER0.240 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
10523415Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 21445?
21445 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 21445?
There is 1 known substitute for 21445: 10523415. Substitute compatibility should be verified for your specific system.
What is the NSN for 21445?
21445 is cataloged in the U.S. Government catalog under NSN 5330-00-202-1368. This indicates validated use in U.S. government and defense supply chains.
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