PartsTable
Technical Data Sheet
PartsTable / MRO / ACK1
ACK1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LUBRICATING ACCESSORY KIT is a the manufacturer industrial component. Key specifications include body_style: AXIAL TERMINAL TYPE, body_length: 1.625 INCHES NOMINAL IN, overall_length: 2.750 INCHES NOMINAL IN, overall_diameter: 0.562 INCHES NOMINAL IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT, surface_treatment: NICKEL TERMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-131-9781, 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→ ACK1
NSN: 5920-00-131-9781
FSC: 5920
CAGE: 71400 — COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES (USA)
SPECIFICATIONS
body_styleAXIAL TERMINAL TYPE
body_length1.625 INCHES NOMINAL IN
overall_length2.750 INCHES NOMINAL IN
overall_diameter0.562 INCHES NOMINAL IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
surface_treatmentNICKEL TERMINAL
mounting_slot_width0.266 INCHES NOMINAL IN
interruption_indicator_methodOPAQUE BODY
maximum_voltage_rating_in_volts125.0 AC AND 125.0 DC
continuous_current_rating_in_amps1.000
circuit_over-current_interruption_typeTIME DELAY
circuit_over-current_interruption_delay_time_in_seconds100.0 200 PCT OF CURRENT RATING AND 13.0 400 PCT OF CURRENT RATING
NSN5920-00-131-9781
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LUBRICATING ACCESSORY KIT TITLE COMPONENT PN ACK1 MFR LUBRICATING ACCESSORY
KEY FEATURES
•
MOUNTING SLOT WIDTH: 0.266 INCHES NOMINAL IN
•
MAXIMUM VOLTAGE RATING IN VOLTS: 125.0 AC AND 125.0 DC
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
INTERRUPTION INDICATOR METHOD: OPAQUE BODY
•
BODY LENGTH: 1.625 INCHES NOMINAL IN
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: TIME DELAY
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING SLOT WIDTH0.266 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS125.0 AC AND 125.0 DC
OVERALL DIAMETER0.562 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODOPAQUE BODY
BODY LENGTH1.625 INCHES NOMINAL IN
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
CIRCUIT OVER-CURRENT INTERRUPTION TYPETIME DELAY
OVERALL LENGTH2.750 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.250 INCHES NOMINAL IN
CIRCUIT OVER-CURRENT INTERRUPTION DELAY TIME IN SECONDS100.0 200 PCT OF CURRENT RATING AND 13.0 400 PCT OF CURRENT RATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
354B6055Interchangeable
interchangeable cross-reference
interchangeable
13211Interchangeable
interchangeable cross-reference
interchangeable
A333-3Interchangeable
interchangeable cross-reference
interchangeable
666092-793Interchangeable
interchangeable cross-reference
interchangeable
SMC500470-8Interchangeable
interchangeable cross-reference
interchangeable
LT10K137Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ACK1?
ACK1 is a LUBRICATING ACCESSORY KIT. It is classified as a MRO (MRO_GENERAL).
What parts can replace ACK1?
There are 14 known substitutes for ACK1: 354B6055, 13211, A333-3 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ACK1?
ACK1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-131-9781. 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