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647-2839-001 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

647-2839-001: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, MULTI HOLES, end_item_identification: AN/ARC-190, cross-sectional_shape_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-134-4274, 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
647-2839-001
NSN: 5340-01-134-4274
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identificationAN/ARC-190
hole_quantity_along_width3
hole_quantity_along_length4
cross-sectional_shape_styleFLAT
NSN5340-01-134-4274
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 647-2839-001 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: 4
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPECIAL
•
HOLE QUANTITY ALONG WIDTH: 3
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
HOLE QUANTITY ALONG LENGTH4
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
HOLE QUANTITY ALONG WIDTH3
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
END ITEM IDENTIFICATIONAN/ARC-190
MATERIALALUMINUM
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 647-2839-001?
647-2839-001 is a COVER,ACCESS.
What is the NSN for 647-2839-001?
647-2839-001 is cataloged in the U.S. Government catalog under NSN 5340-01-134-4274. This indicates validated use in U.S. government and defense supply chains.
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