PartsTable
Technical Data Sheet
Download PDF

4W2026 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4W2026: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: TWO THRU HOLES, securing_device_type: SPECIAL, peripheral_shape_style: PENTAGON, NO HOLES, end_item_identification: MRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 3 OTHER WEAPON SYSTEMS.; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS), mounting_opening_shape_style: UNTHREADED HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-360-1211, 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
4W2026
NSN: 5340-01-360-1211
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
special_featuresTWO THRU HOLES
securing_device_typeSPECIAL
peripheral_shape_stylePENTAGON, NO HOLES
end_item_identificationMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 3 OTHER WEAPON SYSTEMS.; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-360-1211
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4W2026 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: PENTAGON, NO HOLES
TECHNICAL CHARACTERISTICS
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
SECURING DEVICE TYPESPECIAL
SPECIAL FEATURESTWO THRU HOLES
PERIPHERAL SHAPE STYLEPENTAGON, NO HOLES
END ITEM IDENTIFICATIONMRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 3 OTHER WEAPON SYSTEMS.; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
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 4W2026?
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 4W2026?
4W2026 is a COVER,ACCESS.
What is the NSN for 4W2026?
4W2026 is cataloged in the U.S. Government catalog under NSN 5340-01-360-1211. 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 — 4W2026

✓ 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.