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1999100 — CIRCUIT BREAKER

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

1999100: CIRCUIT BREAKER.

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: STEEL, effective_length: 2.6666 FEET NOMINAL FT, special_features: W/ONE CONNECTING LINK, pin_fastening_method: COTTER PIN AND HEADED STRAIGHT PIN, first_chain_link_style: ROLLER, nominal_pitch_distance: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-609-9050, 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→ 1999100
NSN: 3020-00-609-9050
NIINs: 006099050, 013976422
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 07217 — HONEYWELL LIMITED DBA HONEYWELL AEROSPACE TORONTO DIV AEROSPACE-TORONTO (CAN)
SPECIFICATIONS
materialSTEEL
effective_length2.6666 FEET NOMINAL FT
special_featuresW/ONE CONNECTING LINK
link_row_quantity1
pin_fastening_methodCOTTER PIN AND HEADED STRAIGHT PIN
first_chain_link_styleROLLER
nominal_pitch_distance1.000 INCHES IN
second_chain_link_stylePIN
minimum_tensile_strength14500 POUNDS PER SQUARE INCH LBS
first_chain_link_plate_width0.950 INCHES NOMINAL IN
second_chain_link_plate_width0.820 INCHES NOMINAL IN
second_chain_link_pin_nominal_diameter0.3120 INCHES IN
NSN3020-00-609-9050
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT BREAKER TITLE COMPONENT PN 1999100 MFR CIRCUIT BREAKER
KEY FEATURES
•
SECOND CHAIN LINK PIN NOMINAL DIAMETER: 0.3120 INCHES IN
•
SECOND CHAIN LINK PLATE NOMINAL THICKNESS: 0.1250 INCHES IN
•
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER: 0.6250 INCHES IN
•
SECOND CHAIN LINK STYLE: PIN
•
EFFECTIVE LENGTH: 2.6666 FEET NOMINAL FT
•
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES: 0.8750 INCHES IN
•
FIRST CHAIN LINK STYLE: ROLLER
•
NOMINAL PITCH DISTANCE: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS
SECOND CHAIN LINK PIN NOMINAL DIAMETER0.3120 INCHES IN
SECOND CHAIN LINK PLATE NOMINAL THICKNESS0.1250 INCHES IN
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER0.6250 INCHES IN
SECOND CHAIN LINK STYLEPIN
EFFECTIVE LENGTH2.6666 FEET NOMINAL FT
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES0.8750 INCHES IN
FIRST CHAIN LINK STYLEROLLER
NOMINAL PITCH DISTANCE1.000 INCHES IN
FIRST CHAIN LINK PLATE WIDTH0.950 INCHES NOMINAL IN
PIN FASTENING METHODCOTTER PIN AND HEADED STRAIGHT PIN
SUBSTITUTES & CROSS-REFERENCES 1
1999100PC3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1999100?
1999100 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1999100?
There is 1 known substitute for 1999100: 1999100PC3. Substitute compatibility should be verified for your specific system.
What is the NSN for 1999100?
1999100 is cataloged in the U.S. Government catalog under NSN 3020-00-609-9050. 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.