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Technical Data Sheet
PartsTable / MRO / A-577
A-577 ✓ 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 A-577 is a the manufacturer industrial component. Key specifications include material: GLASS CASE, body_style: TUBE TYPE, overall_length: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.254 INCHES MAXIMUM IN, features_provided: NONRENEWABLE FUSIBLE ELEMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-349-3850, 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→ A-577
NSN: 5895-00-349-3850
FSC: 5895
CAGE: 55469 — ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES (USA)
SPECIFICATIONS
materialGLASS CASE
body_styleTUBE TYPE
overall_length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.254 INCHES MAXIMUM IN
features_providedNONRENEWABLE FUSIBLE ELEMENT
precious_materialSILVER
surface_treatmentSILVER TERMINAL
actuator_adapter_styleROLLER LEAF
specification/standard_data81349-MIL-F-15160/2 GOVERNMENT SPECIFICATION
interruption_indicator_methodVISIBLE ELEMENT
precious_material_and_locationTERMINAL SURFACES SILVER
NSN5895-00-349-3850
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available A-577 TITLE COMPONENT PN A-577 MFR A-577
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ALUMINUM ALLOY,2014 OR 2024
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY,2014 OR 2024
GENERAL CHARACTERISTICS ITEM DESCRIPTIONALUMINUM ALLOY,2014 OR 2024
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A5771Upgraded Successor
successor cross-reference
successor
A57-7Interchangeable
interchangeable cross-reference
interchangeable
A277-1Interchangeable
interchangeable cross-reference
interchangeable
702019-845Interchangeable
interchangeable cross-reference
interchangeable
A2894Interchangeable
interchangeable cross-reference
interchangeable
22-3608Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-577?
A-577 is a A-577. It is classified as a MRO (MRO_GENERAL).
What parts can replace A-577?
There are 13 known substitutes for A-577: A5771, A57-7, A277-1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-577?
A-577 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-349-3850. 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