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8744840 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8744840: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 9.562 INCHES NOMINAL IN, length: 13.938 INCHES NOMINAL IN, corner_radius: 0.688 INCHES NOMINAL IN, hole_diameter: 0.531 INCHES NOMINAL IN, body_thickness: 0.500 INCHES NOMINAL IN, features_provided: SEALING CAPABILITY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-405-0235, 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
8744840
NSN: 5340-00-405-0235
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width9.562 INCHES NOMINAL IN
length13.938 INCHES NOMINAL IN
corner_radius0.688 INCHES NOMINAL IN
hole_diameter0.531 INCHES NOMINAL IN
body_thickness0.500 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
fsc_application_dataBULLDOZER EARTH MOVING SELF-PROPELLED WEAPON
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width8.188 INCHES NOMINAL IN
NSN5340-00-405-0235
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8744840 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: 0.688 INCHES NOMINAL IN
•
FSC APPLICATION DATA: BULLDOZER EARTH MOVING SELF-PROPELLED WEAPON
•
CORNER RADIUS: 0.688 INCHES NOMINAL IN
•
LENGTH: 13.938 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 12.500 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 8.188 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-12560,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.688 INCHES NOMINAL IN
FSC APPLICATION DATABULLDOZER EARTH MOVING SELF-PROPELLED WEAPON
CORNER RADIUS0.688 INCHES NOMINAL IN
LENGTH13.938 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH12.500 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH8.188 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-12560,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
FEATURES PROVIDEDSEALING CAPABILITY
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
Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 8744840?
8744840 is a COVER,ACCESS.
What is the NSN for 8744840?
8744840 is cataloged in the U.S. Government catalog under NSN 5340-00-405-0235. This indicates validated use in U.S. government and defense supply chains.
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