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59590088 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

59590088: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, hole_diameter: 0.188 INCHES NOMINAL IN, body_thickness: 0.094 INCHES NOMINAL IN, outside_diameter: 1.750 INCHES NOMINAL IN, features_provided: SEALING CAPABILITY, surface_treatment: OXIDE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-350-9256, 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
59590088
NSN: 5340-00-350-9256
FSC: 5340 — Hardware, Commercial
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL
hole_diameter0.188 INCHES NOMINAL IN
body_thickness0.094 INCHES NOMINAL IN
outside_diameter1.750 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
surface_treatmentOXIDE
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
hole_quantity_along_length2
cross-sectional_shape_styleFLAT W/OPEN CENTER
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_hole_centers1.125 INCHES NOMINAL IN
NSN5340-00-350-9256
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 59590088 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
•
HOLE QUANTITY ALONG LENGTH: 2
•
DISTANCE BETWEEN HOLE CENTERS: 1.125 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/OPEN CENTER
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 0.312 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEALING CAPABILITY
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS
HOLE QUANTITY ALONG LENGTH2
DISTANCE BETWEEN HOLE CENTERS1.125 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE0.312 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPETHREADED FASTENER
SURFACE TREATMENTOXIDE
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 1
10-32993Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 59590088?
59590088 is a COVER,ACCESS.
What parts can replace 59590088?
There is 1 known substitute for 59590088: 10-32993. Substitute compatibility should be verified for your specific system.
What is the NSN for 59590088?
59590088 is cataloged in the U.S. Government catalog under NSN 5340-00-350-9256. 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.