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5190794 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5190794: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.197 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN, length: 4.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, hole_diameter: 0.144 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN, body_thickness: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, surface_treatment: ANODIZE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-338-6973, 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
5190794
NSN: 5340-01-338-6973
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width1.197 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN
length4.500 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
hole_diameter0.144 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN
body_thickness0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
surface_treatmentANODIZE
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width1.250 INCHES NOMINAL IN
distance_between_holes_along_length3.125 INCHES NOMINAL IN
NSN5340-01-338-6973
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5190794 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: 0.250 INCHES NOMINAL IN
•
LENGTH: 4.500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.125 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.250 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.250 INCHES NOMINAL IN
LENGTH4.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE
DISTANCE BETWEEN HOLES ALONG LENGTH3.125 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.250 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.688 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
519 794Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5190794?
5190794 is a COVER,ACCESS.
What parts can replace 5190794?
There is 1 known substitute for 5190794: 519 794. Substitute compatibility should be verified for your specific system.
What is the NSN for 5190794?
5190794 is cataloged in the U.S. Government catalog under NSN 5340-01-338-6973. 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.