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8439184 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8439184: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include length: 5.060 INCHES NOMINAL IN, material: STEEL COMP 304 OR STEEL COMP 304L, inside_width: 2.557 INCHES NOMINAL IN, inside_length: 3.300 INCHES NOMINAL IN, flange_thickness: 0.630 INCHES NOMINAL IN, peripheral_shape_style: RECTANGLE, IRREGULAR ENDS, FOUR HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-423-4258, 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
8439184
NSN: 5340-00-423-4258
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
length5.060 INCHES NOMINAL IN
materialSTEEL COMP 304 OR STEEL COMP 304L
inside_width2.557 INCHES NOMINAL IN
inside_length3.300 INCHES NOMINAL IN
flange_thickness0.630 INCHES NOMINAL IN
peripheral_shape_styleRECTANGLE, IRREGULAR ENDS, FOUR HOLES
hole_quantity_along_width2
first_recess_inside_height0.377 INCHES NOMINAL IN
hole_quantity_along_length2
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
distance_between_holes_along_width1.050 INCHES NOMINAL IN
distance_between_holes_along_length4.525 INCHES NOMINAL IN
NSN5340-00-423-4258
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8439184 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: 0.220 INCHES NOMINAL IN
•
INSIDE WIDTH: 2.557 INCHES NOMINAL IN
•
LENGTH: 5.060 INCHES NOMINAL IN
•
INSIDE LENGTH: 3.300 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 4.525 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.630 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.377 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 2
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.220 INCHES NOMINAL IN
INSIDE WIDTH2.557 INCHES NOMINAL IN
LENGTH5.060 INCHES NOMINAL IN
INSIDE LENGTH3.300 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH4.525 INCHES NOMINAL IN
FLANGE THICKNESS0.630 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.377 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH2
DISTANCE BETWEEN HOLES ALONG WIDTH1.050 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR 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 8439184?
8439184 is a COVER,ACCESS.
What is the NSN for 8439184?
8439184 is cataloged in the U.S. Government catalog under NSN 5340-00-423-4258. This indicates validated use in U.S. government and defense supply chains.
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