PartsTable
Technical Data Sheet
Download PDF

228089-04 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

228089-04: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.060 INCHES NOMINAL IN, length: 4.430 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, corner_radius: 0.320 INCHES NOMINAL IN, body_thickness: 0.120 INCHES NOMINAL IN, flange_thickness: 0.012 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-155-1285, 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
228089-04
NSN: 5340-01-155-1285
FSC: 5340 — Hardware, Commercial
CAGE: 24469 — CAES MISSION SYSTEMS LLC (USA)
SPECIFICATIONS
width3.060 INCHES NOMINAL IN
length4.430 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
corner_radius0.320 INCHES NOMINAL IN
body_thickness0.120 INCHES NOMINAL IN
flange_thickness0.012 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, EIGHT HOLES
end_item_identificationTRANSMITTING SET RADIO AN/URT-23C
cross-sectional_shape_styleFLAT, ROUND RIB REINFORCED
distance_from_first_hole_centerline_to_end_along_width2.490 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length1.520 INCHES NOMINAL IN
NSN5340-01-155-1285
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 228089-04 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: 2.490 INCHES NOMINAL IN
•
CORNER RADIUS: 0.320 INCHES NOMINAL IN
•
LENGTH: 4.430 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.012 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH: 1.030 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT, ROUND RIB REINFORCED
•
SECURING DEVICE TYPE: SPECIAL
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 1.520 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH2.490 INCHES NOMINAL IN
CORNER RADIUS0.320 INCHES NOMINAL IN
LENGTH4.430 INCHES NOMINAL IN
FLANGE THICKNESS0.012 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH1.030 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT, ROUND RIB REINFORCED
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH1.520 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH1.160 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, EIGHT 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 1
15P228089-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 228089-04?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 228089-04?
228089-04 is a COVER,ACCESS.
What parts can replace 228089-04?
There is 1 known substitute for 228089-04: 15P228089-04. Substitute compatibility should be verified for your specific system.
What is the NSN for 228089-04?
228089-04 is cataloged in the U.S. Government catalog under NSN 5340-01-155-1285. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 228089-04

✓ 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.