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7666405 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7666405: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.468 INCHES NOMINAL IN, length: 5.125 INCHES NOMINAL IN, material: COPPER ALLOY, corner_radius: 0.250 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, body_thickness: 0.187 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-346-7643, 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
7666405
NSN: 5340-00-346-7643
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
width3.468 INCHES NOMINAL IN
length5.125 INCHES NOMINAL IN
materialCOPPER ALLOY
corner_radius0.250 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
body_thickness0.187 INCHES NOMINAL IN
flange_thickness0.500 INCHES NOMINAL IN
fsc_application_dataFIRE CONTROL DESIGNATING AND INDICATING EQUIPMENT
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
first_recess_inside_height0.062 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
NSN5340-00-346-7643
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7666405 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.250 INCHES NOMINAL IN
•
FSC APPLICATION DATA: FIRE CONTROL DESIGNATING AND INDICATING EQUIPMENT
•
CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
LENGTH: 5.125 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.312 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.500 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.062 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 2.968 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.250 INCHES NOMINAL IN
FSC APPLICATION DATAFIRE CONTROL DESIGNATING AND INDICATING EQUIPMENT
CORNER RADIUS0.250 INCHES NOMINAL IN
LENGTH5.125 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH2.312 INCHES NOMINAL IN
FLANGE THICKNESS0.500 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.062 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH2.968 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
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 7666405?
7666405 is a COVER,ACCESS.
What is the NSN for 7666405?
7666405 is cataloged in the U.S. Government catalog under NSN 5340-00-346-7643. This indicates validated use in U.S. government and defense supply chains.
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