PartsTable
Technical Data Sheet
Download PDF

5H4020 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5H4020: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, body_thickness: 7.87 MILLIMETERS MINIMUM AND 8.13 MILLIMETERS MAXIMUM MM, outside_diameter: 50.67 MILLIMETERS MINIMUM AND 50.93 MILLIMETERS MAXIMUM MM, peripheral_shape_style: ROUND, NO HOLES, material_document_and_classification: 1E942 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-169-2140, 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
5H4020
NSN: 5340-01-169-2140
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
body_thickness7.87 MILLIMETERS MINIMUM AND 8.13 MILLIMETERS MAXIMUM MM
outside_diameter50.67 MILLIMETERS MINIMUM AND 50.93 MILLIMETERS MAXIMUM MM
peripheral_shape_styleROUND, NO HOLES
material_document_and_classification1E942 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE
NSN5340-01-169-2140
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5H4020 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 1E942 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 50.67 MILLIMETERS MINIMUM AND 50.93 MILLIMETERS MAXIMUM MM
•
PERIPHERAL SHAPE STYLE: ROUND, NO HOLES
•
MATERIAL: STEEL
•
BODY THICKNESS: 7.87 MILLIMETERS MINIMUM AND 8.13 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATION1E942 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER50.67 MILLIMETERS MINIMUM AND 50.93 MILLIMETERS MAXIMUM MM
PERIPHERAL SHAPE STYLEROUND, NO HOLES
MATERIALSTEEL
BODY THICKNESS7.87 MILLIMETERS MINIMUM AND 8.13 MILLIMETERS MAXIMUM 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 5H4020?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5H4020?
5H4020 is a COVER,ACCESS.
What is the NSN for 5H4020?
5H4020 is cataloged in the U.S. Government catalog under NSN 5340-01-169-2140. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5H4020

✓ 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.