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7771818 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7771818: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.125 INCHES NOMINAL IN, length: 2.875 INCHES NOMINAL IN, material: STEEL, corner_radius: 0.125 INCHES NOMINAL IN, hole_diameter: 0.219 INCHES NOMINAL IN, body_thickness: 0.120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-341-9224, 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
7771818
NSN: 5340-00-341-9224
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
width2.125 INCHES NOMINAL IN
length2.875 INCHES NOMINAL IN
materialSTEEL
corner_radius0.125 INCHES NOMINAL IN
hole_diameter0.219 INCHES NOMINAL IN
body_thickness0.120 INCHES NOMINAL IN
surface_treatmentPHOSPHATE
fsc_application_dataCARRIAGE,GUN 40MM MM
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT W/OPEN CENTER
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-00-341-9224
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7771818 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: CARRIAGE,GUN 40MM MM
•
CORNER RADIUS: 0.125 INCHES NOMINAL IN
•
LENGTH: 2.875 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.375 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.625 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/OPEN CENTER
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.250 INCHES NOMINAL IN
FSC APPLICATION DATACARRIAGE,GUN 40MM MM
CORNER RADIUS0.125 INCHES NOMINAL IN
LENGTH2.875 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH2.375 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.625 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.250 INCHES NOMINAL IN
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 7771818?
7771818 is a COVER,ACCESS.
What is the NSN for 7771818?
7771818 is cataloged in the U.S. Government catalog under NSN 5340-00-341-9224. This indicates validated use in U.S. government and defense supply chains.
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