PartsTable
Technical Data Sheet
PartsTable / MRO / Q2-25
Q2-25 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The CIRCUIT BREAKER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, body_style: RECTANGULAR DIMENSIONAL ENVELOPE, ring_style: EXTERNAL, reset_method: MANUAL, storage_type: GENERAL PURPOSE WAREHOUSE, usage_design: EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-298-6564, 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→ Q2-25
NSN: 5325-00-298-6564
FSC: 5325
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleRECTANGULAR DIMENSIONAL ENVELOPE
ring_styleEXTERNAL
reset_methodMANUAL
storage_typeGENERAL PURPOSE WAREHOUSE
usage_designEXTERNAL
overall_width2.375 INCHES NOMINAL IN
pole_quantity2
overall_height2.000 INCHES NOMINAL IN
overall_length2.875 INCHES NOMINAL IN
inside_diameter0.221 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
major_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
NSN5325-00-298-6564
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: Q2-25 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 632
•
INSIDE DIAMETER: 0.221 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
•
MATERIAL HARDNESS RATING: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
RING STYLE: EXTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 632
INSIDE DIAMETER0.221 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
MATERIAL HARDNESS RATING63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
RING STYLEEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
USAGE DESIGNEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
0105AN05Interchangeable
interchangeable cross-reference
interchangeable
140947Interchangeable
interchangeable cross-reference
interchangeable
0105AS5104UInterchangeable
interchangeable cross-reference
interchangeable
G650112-3Interchangeable
interchangeable cross-reference
interchangeable
TX93091Interchangeable
interchangeable cross-reference
interchangeable
ES281-25SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q2-25?
Q2-25 is a CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace Q2-25?
There are 23 known substitutes for Q2-25: 0105AN05, 140947, 0105AS5104U and 20 more. Substitute compatibility should be verified for your specific system.
Is Q2-25 still available?
Q2-25 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026