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6290 #4 — SWITCH SUBASSEMBLY

✓ Government record, cited
Kensington · ORING SEAL
PRODUCT OVERVIEW

6290 #4: SWITCH SUBASSEMBLY.

High-tech comfort, capacity and style. This innovative pack includes our Contour System for comfort, concealed device-specific storage pockets and DropShield® protection for your notebook, all in an intelligent and versatile design. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-805-2966, 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
6290 #4
NSN: 5331-00-805-2966
NIINs: 008052966, 010709869, 012652983
FSC: 5331 — O-ring
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY
fuel_typeACETYLENE
specific_useHEAVY DUTY
usage_designMANUAL
size_designator4
style_designatorONE PIECE
attachment_methodTHREAD
preheat_orifice_size_designator46
preheat_orifice_shape_and_quantity6 ROUND
material_nominal_thickness_accommodated4.000 INCHES IN
NSN5331-00-805-2966
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6290 #4 MFR: Kensington ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 8
AN-6290-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
D6-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS28778-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS28778-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
36011-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
080-20465-004Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6290 #4?
6290 #4 is a SWITCH SUBASSEMBLY manufactured by Kensington.
What parts can replace 6290 #4?
There are 8 known substitutes for 6290 #4: AN-6290-4, D6-4, AS28778-4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6290 #4?
6290 #4 is cataloged in the U.S. Government catalog under NSN 5331-00-805-2966. 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.