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810640 — SWITCH ASSEMBLY

✓ Government record, cited
Braun · ORING SEAL
PRODUCT OVERVIEW

810640: SWITCH ASSEMBLY.

The SWITCH ASSEMBLY is a Braun industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, cross-sectional_height: 0.125 INCHES NOMINAL IN, end_item_identification: PUMPING, UNIT CENTRIFUGAL FUELING-DEFUELI, part_name_assigned_by_controlling_agency: RUN/STOP SWITCH. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-290-8776, 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
810640
NSN: 5331-00-290-8776
NIINs: 002908776, 009276492, 016641670
FSC: 5331 — O-ring
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
cross-sectional_height0.125 INCHES NOMINAL IN
end_item_identificationPUMPING, UNIT CENTRIFUGAL FUELING-DEFUELI
part_name_assigned_by_controlling_agencyRUN/STOP SWITCH
NSN5331-00-290-8776
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 810640 MFR: Braun ⚠ 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
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 810640?
810640 is a SWITCH ASSEMBLY manufactured by Braun.
What is the NSN for 810640?
810640 is cataloged in the U.S. Government catalog under NSN 5331-00-290-8776. This indicates validated use in U.S. government and defense supply chains.
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