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542-6963-002 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

542-6963-002: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, body_thickness: 0.125 INCHES NOMINAL IN, flange_thickness: 0.058 INCHES NOMINAL IN, outside_diameter: 1.937 INCHES NOMINAL IN, bolt_circle_diameter: 1.750 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-674-6501, 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
542-6963-002
NSN: 5340-00-674-6501
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303
body_thickness0.125 INCHES NOMINAL IN
flange_thickness0.058 INCHES NOMINAL IN
outside_diameter1.937 INCHES NOMINAL IN
bolt_circle_diameter1.750 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
end_item_identification5826006793205
bolt_circle_hole_quantity4
first_recess_inside_height0.078 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
mounting_opening_shape_styleTHREADED HOLE
NSN5340-00-674-6501
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 542-6963-002 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
•
FLANGE THICKNESS: 0.058 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 4
•
FIRST RECESS INSIDE HEIGHT: 0.078 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: THREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
•
OUTSIDE DIAMETER: 1.937 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.058 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY4
FIRST RECESS INSIDE HEIGHT0.078 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLETHREADED HOLE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
OUTSIDE DIAMETER1.937 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER1.750 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
END ITEM IDENTIFICATION5826006793205
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 542-6963-002?
542-6963-002 is a COVER,ACCESS.
What is the NSN for 542-6963-002?
542-6963-002 is cataloged in the U.S. Government catalog under NSN 5340-00-674-6501. This indicates validated use in U.S. government and defense supply chains.
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