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Technical Data Sheet
PartsTable / MRO / 1820-10
1820-10 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, overall_width: 4.508 INCHES NOMINAL IN, terminal_type: SCREW AND WIRE LEAD, overall_height: 4.140 INCHES NOMINAL IN, overall_length: 4.137 INCHES NOMINAL IN, proof_pressure: 10.00 POUNDS PER SQUARE INCH LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-599-2347, 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
MRO→ MRO_GENERAL→ 1820-10
NSN: 5331-00-599-2347
FSC: 5331 — O-RING
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
overall_width4.508 INCHES NOMINAL IN
terminal_typeSCREW AND WIRE LEAD
overall_height4.140 INCHES NOMINAL IN
overall_length4.137 INCHES NOMINAL IN
proof_pressure10.00 POUNDS PER SQUARE INCH LBS
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S)
style_designatorRECTANGULAR W/BRACKET
pressure_switch_typeGAGE
contact_adjustabilityACTUATION POINT ADJUSTABLE, PRESET
operating_temp_rating180.0 FAHRENHEIT MAXIMUM DEGF
cross-sectional_height0.094 INCHES NOMINAL IN
NSN5331-00-599-2347
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1820-10 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
•
CROSS-SECTIONAL HEIGHT: 0.094 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.094 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
8609Interchangeable
interchangeable cross-reference
interchangeable
1820-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1820-10?
1820-10 is a SWITCH,PRESSURE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1820-10?
There are 2 known substitutes for 1820-10: 8609, 1820-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 1820-10?
1820-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-599-2347. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026