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1578277 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1578277: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: WEIGHT: 12.44 LBS, MATERIAL-14 GA SHT STL GALVN LBS, peripheral_shape_style: RECTANGLE, MULTI HOLES, end_item_identification: 2320-01-528-6294, MOBILE WATER TANK/TACTICAL FIRE FIGHTING TRUCK, part_name_assigned_by_controlling_agency: TOP, PUMPHOUSE, PS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-559-4759, 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
1578277
NSN: 5340-01-559-4759
FSC: 5340 — Hardware, Commercial
CAGE: 04664 — PIERCE MANUFACTURING INC (USA)
SPECIFICATIONS
materialSTEEL
special_featuresWEIGHT: 12.44 LBS, MATERIAL-14 GA SHT STL GALVN LBS
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identification2320-01-528-6294, MOBILE WATER TANK/TACTICAL FIRE FIGHTING TRUCK
part_name_assigned_by_controlling_agencyTOP, PUMPHOUSE, PS
NSN5340-01-559-4759
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1578277 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
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESWEIGHT: 12.44 LBS, MATERIAL-14 GA SHT STL GALVN LBS
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYTOP, PUMPHOUSE, PS
END ITEM IDENTIFICATION2320-01-528-6294, MOBILE WATER TANK/TACTICAL FIRE FIGHTING TRUCK
MATERIALSTEEL
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
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1578277?
1578277 is a COVER,ACCESS.
What is the NSN for 1578277?
1578277 is cataloged in the U.S. Government catalog under NSN 5340-01-559-4759. 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.