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Technical Data Sheet
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36-851843 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

36-851843: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include fsc_application_data: NHA OIL PUMP 851840A1, peripheral_shape_style: ROUND, NO HOLES, end_item_identification: 40 LIGHTNING/40 LIGHTNING XR 40 SEAPRO/MARATHON, part_name_assigned_by_controlling_agency: CAP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-537-4507, 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
36-851843
NSN: 5340-01-537-4507
FSC: 5340 — Hardware, Commercial
CAGE: 88907 — BRUNSWICK CORP DBA MERCURY MARINE DIV MERCURY MARINE (USA)
SPECIFICATIONS
fsc_application_dataNHA OIL PUMP 851840A1
peripheral_shape_styleROUND, NO HOLES
end_item_identification40 LIGHTNING/40 LIGHTNING XR 40 SEAPRO/MARATHON
part_name_assigned_by_controlling_agencyCAP
NSN5340-01-537-4507
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 36-851843 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
•
FSC APPLICATION DATA: NHA OIL PUMP 851840A1
•
PERIPHERAL SHAPE STYLE: ROUND, NO HOLES
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATANHA OIL PUMP 851840A1
PERIPHERAL SHAPE STYLEROUND, NO HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP
END ITEM IDENTIFICATION40 LIGHTNING/40 LIGHTNING XR 40 SEAPRO/MARATHON
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 36-851843?
36-851843 is a COVER,ACCESS.
What is the NSN for 36-851843?
36-851843 is cataloged in the U.S. Government catalog under NSN 5340-01-537-4507. 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.