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637833 — COVER,ACCESS

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

637833: COVER,ACCESS.

The COVER,ACCESS is a Legrand industrial component. Key specifications include shape: CIRCULAR AND FLAT, special_features: ITEM IS FAA CERTIFIED, securing_device_type: THREADED FASTENER, peripheral_shape_style: ROUND, MULTI HOLES, end_item_identification: KC-46A A, part_name_assigned_by_controlling_agency: COVER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-665-0833, 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
637833
NSN: 5340-01-665-0833
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
shapeCIRCULAR AND FLAT
special_featuresITEM IS FAA CERTIFIED
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
end_item_identificationKC-46A A
mounting_hole/slot_quantity6
part_name_assigned_by_controlling_agencyCOVER
NSN5340-01-665-0833
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 637833 MFR: Legrand ⚠ 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
•
SHAPE: CIRCULAR AND FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
MOUNTING HOLE/SLOT QUANTITY: 6
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
SHAPECIRCULAR AND FLAT
SECURING DEVICE TYPETHREADED FASTENER
MOUNTING HOLE/SLOT QUANTITY6
SPECIAL FEATURESITEM IS FAA CERTIFIED
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER
END ITEM IDENTIFICATIONKC-46A A
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 637833?
637833 is a COVER,ACCESS manufactured by Legrand.
What is the NSN for 637833?
637833 is cataloged in the U.S. Government catalog under NSN 5340-01-665-0833. 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.