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7666208 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7666208: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.688 INCHES NOMINAL IN, length: 3.688 INCHES NOMINAL IN, material: COPPER ALLOY, corner_radius: 0.500 INCHES NOMINAL IN, body_thickness: 0.625 INCHES NOMINAL IN, inside_diameter: 2.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-535-7739, 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
7666208
NSN: 5340-00-535-7739
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
width3.688 INCHES NOMINAL IN
length3.688 INCHES NOMINAL IN
materialCOPPER ALLOY
corner_radius0.500 INCHES NOMINAL IN
body_thickness0.625 INCHES NOMINAL IN
inside_diameter2.438 INCHES NOMINAL IN
flange_thickness0.250 INCHES NOMINAL IN
inside_corner_radius0.094 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
end_item_identification1220-00-766-5137
first_recess_inside_height1.218 INCHES NOMINAL IN
NSN5340-00-535-7739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7666208 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: 0.500 INCHES NOMINAL IN
•
CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
LENGTH: 3.688 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.187 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.094 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.218 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 3.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.500 INCHES NOMINAL IN
CORNER RADIUS0.500 INCHES NOMINAL IN
LENGTH3.688 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.187 INCHES NOMINAL IN
FLANGE THICKNESS0.250 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.094 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.218 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH3.187 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-691,C2 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
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 7666208?
7666208 is a COVER,ACCESS.
What is the NSN for 7666208?
7666208 is cataloged in the U.S. Government catalog under NSN 5340-00-535-7739. This indicates validated use in U.S. government and defense supply chains.
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