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N5740 PIECE 13 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N5740 PIECE 13: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 5.375 INCHES NOMINAL IN, length: 3.750 INCHES NOMINAL IN, material: STEEL, body_thickness: 0.500 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER, peripheral_shape_style: RECTANGLE, FOUR HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-142-1599, 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
N5740 PIECE 13
NSN: 5340-01-142-1599
FSC: 5340 — Hardware, Commercial
CAGE: 09032 — TATE ANDALE, LLC (USA)
SPECIFICATIONS
width5.375 INCHES NOMINAL IN
length3.750 INCHES NOMINAL IN
materialSTEEL
body_thickness0.500 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT
NSN5340-01-142-1599
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N5740 PIECE 13 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
•
LENGTH: 3.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
PERIPHERAL SHAPE STYLE: RECTANGLE, FOUR HOLES
•
WIDTH: 5.375 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
BODY THICKNESS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH3.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
WIDTH5.375 INCHES NOMINAL IN
MATERIALSTEEL
BODY THICKNESS0.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
N5740Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N5740 PIECE 13?
N5740 PIECE 13 is a COVER,ACCESS.
What parts can replace N5740 PIECE 13?
There is 1 known substitute for N5740 PIECE 13: N5740. Substitute compatibility should be verified for your specific system.
What is the NSN for N5740 PIECE 13?
N5740 PIECE 13 is cataloged in the U.S. Government catalog under NSN 5340-01-142-1599. 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.