PartsTable
Technical Data Sheet
Download PDF

56810-4 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

56810-4: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, construction: SOLID, aperture_width: 6.938 INCHES NOMINAL IN, aperture_length: 7.625 INCHES NOMINAL IN, style_designator: OVAL, features_provided: ELECTROSTATIC SENSITIVE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-026-9813, 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
56810-4
NSN: 5330-00-026-9813
NIINs: 000269813, 008877095, 015022913
FSC: 5330 — Packing and Gasket Materials
CAGE: 57733 — STEWART-WARNER CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
constructionSOLID
aperture_width6.938 INCHES NOMINAL IN
aperture_length7.625 INCHES NOMINAL IN
style_designatorOVAL
features_providedELECTROSTATIC SENSITIVE
cross-sectional_width0.250 INCHES NOMINAL IN
cross-sectional_height0.187 INCHES NOMINAL IN
end_item_identificationRADAR TRANSMIT SET
cross-sectional_shape_styleSPECIAL
criticality_code_justificationCBBL
part_name_assigned_by_controlling_agencyFP SWITCH CCA
NSN5330-00-026-9813
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56810-4 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 HEIGHT: 0.187 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: OVAL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
APERTURE WIDTH: 6.938 INCHES NOMINAL IN
•
APERTURE LENGTH: 7.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.187 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.250 INCHES NOMINAL IN
STYLE DESIGNATOROVAL
CROSS-SECTIONAL SHAPE STYLESPECIAL
APERTURE WIDTH6.938 INCHES NOMINAL IN
APERTURE LENGTH7.625 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q OVERALL
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 56810-4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 56810-4?
56810-4 is a CIRCUIT CARD ASSEMBLY.
What is the NSN for 56810-4?
56810-4 is cataloged in the U.S. Government catalog under NSN 5330-00-026-9813. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 56810-4

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.