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66-48147 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

66-48147: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 13.200 INCHES NOMINAL IN, length: 44.150 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, body_thickness: 0.063 INCHES NOMINAL IN, flange_thickness: 0.063 INCHES NOMINAL IN, securing_device_type: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-253-2576, 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
66-48147
NSN: 5340-00-253-2576
FSC: 5340 — Hardware, Commercial
CAGE: 07700 — TECHNICAL WIRE PRODUCTS, LLC DBA TWP (USA)
SPECIFICATIONS
width13.200 INCHES NOMINAL IN
length44.150 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
body_thickness0.063 INCHES NOMINAL IN
flange_thickness0.063 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_width2
first_recess_inside_height0.500 INCHES NOMINAL IN
hole_quantity_along_length4
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
distance_between_holes_along_width9.380 INCHES NOMINAL IN
NSN5340-00-253-2576
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66-48147 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: 12.420 INCHES NOMINAL IN
•
LENGTH: 44.150 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 5.200 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.063 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.500 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 4
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 9.380 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH12.420 INCHES NOMINAL IN
LENGTH44.150 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH5.200 INCHES NOMINAL IN
FLANGE THICKNESS0.063 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.500 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH4
DISTANCE BETWEEN HOLES ALONG WIDTH9.380 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
HOLE QUANTITY ALONG WIDTH2
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 3
68-48107Reference document
Same NSN cross-reference
Reference document — Secondary reference
125-109-107Reference document
Same NSN cross-reference
Reference document — Secondary reference
740648-107Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66-48147?
66-48147 is a COVER,ACCESS.
What parts can replace 66-48147?
There are 3 known substitutes for 66-48147: 68-48107, 125-109-107, 740648-107. Substitute compatibility should be verified for your specific system.
What is the NSN for 66-48147?
66-48147 is cataloged in the U.S. Government catalog under NSN 5340-00-253-2576. 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.