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N5443 PIECE 4 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N5443 PIECE 4: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, body_thickness: 0.609 INCHES NOMINAL IN, flange_thickness: 0.063 INCHES NOMINAL IN, outside_diameter: 3.625 INCHES NOMINAL IN, peripheral_shape_style: ROUND, NO HOLES, first_recess_inside_height: 0.344 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-155-0323, 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
N5443 PIECE 4
NSN: 5340-01-155-0323
FSC: 5340 — Hardware, Commercial
CAGE: 09032 — TATE ANDALE, LLC (USA)
SPECIFICATIONS
materialSTEEL
body_thickness0.609 INCHES NOMINAL IN
flange_thickness0.063 INCHES NOMINAL IN
outside_diameter3.625 INCHES NOMINAL IN
peripheral_shape_styleROUND, NO HOLES
first_recess_inside_height0.344 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
NSN5340-01-155-0323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N5443 PIECE 4 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
•
FLANGE THICKNESS: 0.063 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.344 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
•
OUTSIDE DIAMETER: 3.625 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, NO HOLES
•
MATERIAL: STEEL
•
BODY THICKNESS: 0.609 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.063 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.344 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
OUTSIDE DIAMETER3.625 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, NO HOLES
MATERIALSTEEL
BODY THICKNESS0.609 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
N5443Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 N5443 PIECE 4?
N5443 PIECE 4 is a COVER,ACCESS.
What parts can replace N5443 PIECE 4?
There is 1 known substitute for N5443 PIECE 4: N5443. Substitute compatibility should be verified for your specific system.
What is the NSN for N5443 PIECE 4?
N5443 PIECE 4 is cataloged in the U.S. Government catalog under NSN 5340-01-155-0323. 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.