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4538742-723 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4538742-723: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, inside_width: 74.5 MILLIMETERS NOMINAL MM, body_thickness: 1.25 MILLIMETERS NOMINAL MM, flange_thickness: 1.25 MILLIMETERS NOMINAL MM, outside_diameter: 84.0 MILLIMETERS NOMINAL MM, inside_corner_radius: 0.5 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-301-5180, 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
4538742-723
NSN: 5340-01-301-5180
FSC: 5340 — Hardware, Commercial
CAGE: AC90N — BAE SYSTEMS HAGGLUNDS AKTIEBOLAG (SWE)
SPECIFICATIONS
materialSTEEL
inside_width74.5 MILLIMETERS NOMINAL MM
body_thickness1.25 MILLIMETERS NOMINAL MM
flange_thickness1.25 MILLIMETERS NOMINAL MM
outside_diameter84.0 MILLIMETERS NOMINAL MM
inside_corner_radius0.5 MILLIMETERS NOMINAL MM
outside_corner_radius1.0 MILLIMETERS NOMINAL MM
peripheral_shape_styleROUND, NO HOLES
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-301-5180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4538742-723 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
•
INSIDE WIDTH: 74.5 MILLIMETERS NOMINAL MM
•
FLANGE THICKNESS: 1.25 MILLIMETERS NOMINAL MM
•
INSIDE CORNER RADIUS: 0.5 MILLIMETERS NOMINAL MM
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
•
OUTSIDE DIAMETER: 84.0 MILLIMETERS NOMINAL MM
•
PERIPHERAL SHAPE STYLE: ROUND, NO HOLES
•
OUTSIDE CORNER RADIUS: 1.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
INSIDE WIDTH74.5 MILLIMETERS NOMINAL MM
FLANGE THICKNESS1.25 MILLIMETERS NOMINAL MM
INSIDE CORNER RADIUS0.5 MILLIMETERS NOMINAL MM
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
OUTSIDE DIAMETER84.0 MILLIMETERS NOMINAL MM
PERIPHERAL SHAPE STYLEROUND, NO HOLES
OUTSIDE CORNER RADIUS1.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL
BODY THICKNESS1.25 MILLIMETERS NOMINAL MM
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 2
94318-991Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1262700008Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 4538742-723?
4538742-723 is a COVER,ACCESS.
What parts can replace 4538742-723?
There are 2 known substitutes for 4538742-723: 94318-991, 1262700008. Substitute compatibility should be verified for your specific system.
What is the NSN for 4538742-723?
4538742-723 is cataloged in the U.S. Government catalog under NSN 5340-01-301-5180. This indicates validated use in U.S. government and defense supply chains.
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