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Technical Data Sheet
PartsTable / MRO / 1001743
1001743 ✓ Verified by PartsTable
3M · 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 CIRCUIT BREAKER is a 3M industrial component. Key specifications include material: STEEL CASE, dial_size: 2-1/2 IN.DIA IN, scale_name: POUNDS PER SQUARE INCH AND INCHES OF MERCURY AND KILOPASCALS, scale_type: CONCENTRIC ARC DIAL AND MULTIPLE, scale_range: +0.0 TO 30.0 INCHES HG AND +0.0 TO 3000.0 POUNDS PER SQUARE INCH AND -100.0 TO 2000.0 KILOPASCALS LBS, pointer_type: INDICATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-4343, 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→ 1001743
NSN: 5330-00-290-4343
FSC: 5330
CAGE: 79318 — MEGGITT NORTH HOLLYWOOD INC (USA)
SPECIFICATIONS
materialSTEEL CASE
dial_size2-1/2 IN.DIA IN
scale_namePOUNDS PER SQUARE INCH AND INCHES OF MERCURY AND KILOPASCALS
scale_typeCONCENTRIC ARC DIAL AND MULTIPLE
scale_range+0.0 TO 30.0 INCHES HG AND +0.0 TO 3000.0 POUNDS PER SQUARE INCH AND -100.0 TO 2000.0 KILOPASCALS LBS
pointer_typeINDICATING
adjustabilityADJUSTABLE
overall_depth0.188 INCHES NOMINAL IN
pointer_colorBLACK
scale_accuracyBLACK FIGURES,WHITE BACKGROUND
connection_size0.125 IN.DIA THREADED IN
connection_typeEXTERNAL
NSN5330-00-290-4343
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1001743 MFR: 3M ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
143399Interchangeable
interchangeable cross-reference
interchangeable
137114Interchangeable
interchangeable cross-reference
interchangeable
10024REVAInterchangeable
interchangeable cross-reference
interchangeable
1001743Interchangeable
interchangeable cross-reference
interchangeable
1000412Interchangeable
interchangeable cross-reference
interchangeable
MP16000822000A3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1001743?
1001743 is a CIRCUIT BREAKER manufactured by 3M. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1001743?
There are 6 known substitutes for 1001743: 143399, 137114, 10024REVA and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1001743?
1001743 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-4343. 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