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8758248 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8758248: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL, inside_angle: 45.0 DEGREES NOMINAL, hole_diameter: 0.406 INCHES NOMINAL IN, body_thickness: 0.188 INCHES NOMINAL IN, inside_diameter: 3.500 INCHES NOMINAL IN, flange_thickness: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-445-4555, 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
8758248
NSN: 5340-00-445-4555
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL
inside_angle45.0 DEGREES NOMINAL
hole_diameter0.406 INCHES NOMINAL IN
body_thickness0.188 INCHES NOMINAL IN
inside_diameter3.500 INCHES NOMINAL IN
flange_thickness0.188 INCHES NOMINAL IN
outside_diameter5.750 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
body_outside_radius0.313 INCHES NOMINAL IN
bolt_circle_diameter4.750 INCHES NOMINAL IN
fsc_application_dataDIFFERENTIAL,DRIVING AXLE
inside_corner_radius0.125 INCHES NOMINAL IN
NSN5340-00-445-4555
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8758248 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
•
FSC APPLICATION DATA: DIFFERENTIAL,DRIVING AXLE
•
FLANGE THICKNESS: 0.188 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
INSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.250 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 5.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATADIFFERENTIAL,DRIVING AXLE
FLANGE THICKNESS0.188 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY8
INSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.250 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER5.750 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPETHREADED FASTENER
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 2
2520004454555Reference document
Same NSN cross-reference
Reference document — Secondary reference
3866D550Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8758248?
8758248 is a COVER,ACCESS.
What parts can replace 8758248?
There are 2 known substitutes for 8758248: 2520004454555, 3866D550. Substitute compatibility should be verified for your specific system.
What is the NSN for 8758248?
8758248 is cataloged in the U.S. Government catalog under NSN 5340-00-445-4555. This indicates validated use in U.S. government and defense supply chains.
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