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A18876-1 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A18876-1: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thickness: 0.062 INCHES NOMINAL IN, outside_diameter: 4.750 INCHES NOMINAL IN, style_designator: ROUND (BASICALLY FLAT), aperture_diameter: 3.625 INCHES NOMINAL IN, perforation_diameter: 0.130 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-087-1610, 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
A18876-1
NSN: 5330-00-087-1610
NIINs: 000871610, 010235549, 016830273
FSC: 5330 — Packing and Gasket Materials
CAGE: 67049 — YOUNG TOUCHSTONE COMPANY DIV YOUNG TOUCHSTONE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thickness0.062 INCHES NOMINAL IN
outside_diameter4.750 INCHES NOMINAL IN
style_designatorROUND (BASICALLY FLAT)
aperture_diameter3.625 INCHES NOMINAL IN
perforation_diameter0.130 INCHES NOMINAL IN
filtering_media_designPERFORATED
element_outside_diameter5.720 INCHES MINIMUM AND 5.740 INCHES MAXIMUM IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
part_name_assigned_by_controlling_agencyMAXI SYSTEM BOARD
NSN5330-00-087-1610
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A18876-1 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: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 4.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.750 INCHES NOMINAL IN
APERTURE DIAMETER3.625 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
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 A18876-1?
A18876-1 is a CIRCUIT CARD ASSEMBLY.
What is the NSN for A18876-1?
A18876-1 is cataloged in the U.S. Government catalog under NSN 5330-00-087-1610. This indicates validated use in U.S. government and defense supply chains.
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