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H489818-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H489818-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, corner_cut_type: SQUARE, mounting_method: BOLT, securing_device_type: NONSPECIFIC, peripheral_shape_style: RECTANGLE, MULTI HOLES, end_item_identification: 5840-01-645-7331. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-680-8841, 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
H489818-1
NSN: 5340-01-680-8841
FSC: 5340 — Hardware, Commercial
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
shapeRECTANGULAR
corner_cut_typeSQUARE
mounting_methodBOLT
securing_device_typeNONSPECIFIC
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identification5840-01-645-7331
hole_quantity_along_width4
hole_quantity_along_length24
cross-sectional_shape_styleFLAT
part_name_assigned_by_controlling_agencyASSEMBLY, REMOVABLE DOOR
NSN5340-01-680-8841
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H489818-1 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
•
HOLE QUANTITY ALONG LENGTH: 24
•
MOUNTING METHOD: BOLT
•
SHAPE: RECTANGULAR
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: NONSPECIFIC
•
HOLE QUANTITY ALONG WIDTH: 4
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
TECHNICAL CHARACTERISTICS
HOLE QUANTITY ALONG LENGTH24
MOUNTING METHODBOLT
SHAPERECTANGULAR
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPENONSPECIFIC
HOLE QUANTITY ALONG WIDTH4
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYASSEMBLY, REMOVABLE DOOR
END ITEM IDENTIFICATION5840-01-645-7331
CORNER CUT TYPESQUARE
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 H489818-1?
H489818-1 is a COVER,ACCESS.
What is the NSN for H489818-1?
H489818-1 is cataloged in the U.S. Government catalog under NSN 5340-01-680-8841. This indicates validated use in U.S. government and defense supply chains.
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