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DAX12549 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DAX12549: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, inside_diameter: 4.640 INCHES NOMINAL IN, flange_thickness: 0.535 INCHES NOMINAL IN, outside_diameter: 6.600 INCHES NOMINAL IN, inside_corner_radius: 0.500 INCHES NOMINAL IN, peripheral_shape_style: ROUND, MULTI HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-073-4322, 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
DAX12549
NSN: 5340-01-073-4322
FSC: 5340 — Hardware, Commercial
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
inside_diameter4.640 INCHES NOMINAL IN
flange_thickness0.535 INCHES NOMINAL IN
outside_diameter6.600 INCHES NOMINAL IN
inside_corner_radius0.500 INCHES NOMINAL IN
peripheral_shape_styleROUND, MULTI HOLES
first_recess_inside_height0.500 INCHES NOMINAL IN
hole_quantity_along_length4
cross-sectional_shape_styleCIRCULAR RECESS
distance_between_hole_centers3.006 INCHES NOMINAL IN
bolt_hole_centerline_to_nearest_edge_distance0.356 INCHES NOMINAL IN
NSN5340-01-073-4322
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DAX12549 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
•
FLANGE THICKNESS: 0.535 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.500 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 4
•
DISTANCE BETWEEN HOLE CENTERS: 3.006 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 6.600 INCHES NOMINAL IN
•
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 0.356 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.535 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.500 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH4
DISTANCE BETWEEN HOLE CENTERS3.006 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER6.600 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE0.356 INCHES NOMINAL IN
INSIDE DIAMETER4.640 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
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
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is DAX12549?
DAX12549 is a COVER,ACCESS.
What is the NSN for DAX12549?
DAX12549 is cataloged in the U.S. Government catalog under NSN 5340-01-073-4322. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.