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45819 — CIRCUIT BREAKER

✓ Government record, cited
Lindy · MRO · MRO_GENERAL
PRODUCT OVERVIEW

45819: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a Lindy industrial component. Key specifications include material: PLASTIC CASE, body_style: MULTIPOLE-SINGLE ACTUATOR TYPE, body_width: 9.000 INCHES NOMINAL IN, body_length: 12.000 INCHES NOMINAL IN, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, reset_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-127-7204, 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→ 45819
NSN: 5331-00-127-7204
NIINs: 001277204, 011530144
FSC: 5331 — O-ring
CAGE: 63722 — AFP IMAGING CORP (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleMULTIPOLE-SINGLE ACTUATOR TYPE
body_width9.000 INCHES NOMINAL IN
body_length12.000 INCHES NOMINAL IN
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
pole_quantity3
overall_height11.469 INCHES NOMINAL IN
hardness_rating80.0 SHORE DUROMETER A NOMINAL
fragility_factorMODERATELY RUGGED
outside_diameter1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN
NSN5331-00-127-7204
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 45819 MFR: Lindy ⚠ 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
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.051 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.917 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM
SUBSTITUTES & CROSS-REFERENCES 9
2-021E540-80Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HJE03287Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
021E540-8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8256-32Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2-021-E798-70Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ARP568-021E540- 8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 45819?
45819 is a CIRCUIT BREAKER manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 45819?
There are 9 known substitutes for 45819: 2-021E540-80, HJE03287, 021E540-8 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45819?
45819 is cataloged in the U.S. Government catalog under NSN 5331-00-127-7204. 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.