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P785551 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P785551: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: IRREGULAR, width: 430.0 MILLIMETERS NOMINAL MM, length: 450.0 MILLIMETERS NOMINAL MM, material: PLASTIC, hole_diameter: 404.2 MILLIMETERS NOMINAL MM, overall_height: 110.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-695-3149, 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
P785551
NSN: 5340-01-695-3149
FSC: 5340 — Hardware, Commercial
CAGE: 13520 — DONALDSON COMPANY, INC. (USA)
SPECIFICATIONS
shapeIRREGULAR
width430.0 MILLIMETERS NOMINAL MM
length450.0 MILLIMETERS NOMINAL MM
materialPLASTIC
hole_diameter404.2 MILLIMETERS NOMINAL MM
overall_height110.0 MILLIMETERS NOMINAL MM
special_featuresWEIGHT-0.72 KILOGRAMS KG
securing_device_typeTHREADED FASTENER
part_name_assigned_by_controlling_agencyCOVER ASSEMBLY
NSN5340-01-695-3149
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P785551 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: 450.0 MILLIMETERS NOMINAL MM
•
SHAPE: IRREGULAR
•
SECURING DEVICE TYPE: THREADED FASTENER
•
COLOR: BLACK
•
WIDTH: 430.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT110.0 MILLIMETERS NOMINAL MM
LENGTH450.0 MILLIMETERS NOMINAL MM
SHAPEIRREGULAR
SECURING DEVICE TYPETHREADED FASTENER
COLORBLACK
SPECIAL FEATURESWEIGHT-0.72 KILOGRAMS KG
WIDTH430.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER ASSEMBLY
MATERIALPLASTIC
HOLE DIAMETER404.2 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P785551?
P785551 is a COVER,ACCESS.
What is the NSN for P785551?
P785551 is cataloged in the U.S. Government catalog under NSN 5340-01-695-3149. 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.