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717943-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

717943-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.680 INCHES NOMINAL IN, length: 1.970 INCHES NOMINAL IN, material: PLASTIC, corner_radius: 0.150 INCHES NOMINAL IN, hole_diameter: 0.179 INCHES NOMINAL IN, body_thickness: 0.260 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-824-0780, 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
717943-3
NSN: 5340-00-824-0780
FSC: 5340 — Hardware, Commercial
CAGE: 20418 — DRS SUSTAINMENT SYSTEMS, INC. (USA)
SPECIFICATIONS
width2.680 INCHES NOMINAL IN
length1.970 INCHES NOMINAL IN
materialPLASTIC
corner_radius0.150 INCHES NOMINAL IN
hole_diameter0.179 INCHES NOMINAL IN
body_thickness0.260 INCHES NOMINAL IN
flange_thickness0.070 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, ONE CENTER HOLE
first_recess_inside_height0.070 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-00-824-0780
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 717943-3 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: 0.358 INCHES NOMINAL IN
•
CORNER RADIUS: 0.150 INCHES NOMINAL IN
•
LENGTH: 1.970 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.070 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.070 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-22748 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.358 INCHES NOMINAL IN
CORNER RADIUS0.150 INCHES NOMINAL IN
LENGTH1.970 INCHES NOMINAL IN
FLANGE THICKNESS0.070 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.070 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-22748 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.940 INCHES NOMINAL IN
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 717943-3?
717943-3 is a COVER,ACCESS.
What is the NSN for 717943-3?
717943-3 is cataloged in the U.S. Government catalog under NSN 5340-00-824-0780. 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.