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A25009 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A25009: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, hole_diameter: 0.469 INCHES NOMINAL IN, body_thickness: 0.078 INCHES NOMINAL IN, inside_diameter: 4.500 INCHES NOMINAL IN, flange_thickness: 0.078 INCHES NOMINAL IN, outside_diameter: 7.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-353-2186, 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
A25009
NSN: 5340-00-353-2186
FSC: 5340 — Hardware, Commercial
CAGE: 56697 — STANDARD FORGE AND AXLE CO INC (USA)
SPECIFICATIONS
materialSTEEL
hole_diameter0.469 INCHES NOMINAL IN
body_thickness0.078 INCHES NOMINAL IN
inside_diameter4.500 INCHES NOMINAL IN
flange_thickness0.078 INCHES NOMINAL IN
outside_diameter7.750 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
bolt_circle_diameter6.875 INCHES NOMINAL IN
fsc_application_dataAXLE,VEHICULAR,NONDRIVING
inside_corner_radius3.672 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
NSN5340-00-353-2186
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A25009 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: AXLE,VEHICULAR,NONDRIVING
•
FLANGE THICKNESS: 0.078 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 7
•
INSIDE CORNER RADIUS: 3.672 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.672 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: SPHERICAL RECESS
•
OUTSIDE DIAMETER: 7.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAAXLE,VEHICULAR,NONDRIVING
FLANGE THICKNESS0.078 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY7
INSIDE CORNER RADIUS3.672 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.672 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLESPHERICAL RECESS
OUTSIDE DIAMETER7.750 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPETHREADED FASTENER
SUBSTITUTES & CROSS-REFERENCES 1
304105Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A25009?
A25009 is a COVER,ACCESS.
What parts can replace A25009?
There is 1 known substitute for A25009: 304105. Substitute compatibility should be verified for your specific system.
What is the NSN for A25009?
A25009 is cataloged in the U.S. Government catalog under NSN 5340-00-353-2186. This indicates validated use in U.S. government and defense supply chains.
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