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8754621 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8754621: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: PAPER AND RUBBER POLYISOPRENE NATURAL CLASS NR OR PAPER AND RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL, hole_diameter: 0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.780 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.100 INCHES NOMINAL IN, features_provided: ELECTROSTATIC SENSITIVE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-678-3238, 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
8754621
NSN: 5330-00-678-3238
NIINs: 006783238, 010063379
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPAPER AND RUBBER POLYISOPRENE NATURAL CLASS NR OR PAPER AND RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
hole_diameter0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.780 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter2.100 INCHES NOMINAL IN
features_providedELECTROSTATIC SENSITIVE
bolt_hole_quantity2
bolt_circle_diameter3.140 INCHES NOMINAL IN
outside_corner_radius0.320 INCHES NOMINAL IN
end_item_identificationF-4 PHANTOM II
cross-sectional_thickness0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-678-3238
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8754621 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: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
•
SIDE RADIUS FROM GASKET CENTER: 1.460 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12806,+3562-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 2.100 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
SIDE RADIUS FROM GASKET CENTER1.460 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12806,+3562-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH3.780 INCHES NOMINAL IN
APERTURE DIAMETER2.100 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER3.140 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.320 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5330006783238Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 8754621?
8754621 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 8754621?
There is 1 known substitute for 8754621: 5330006783238. Substitute compatibility should be verified for your specific system.
What is the NSN for 8754621?
8754621 is cataloged in the U.S. Government catalog under NSN 5330-00-678-3238. This indicates validated use in U.S. government and defense supply chains.
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