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Technical Data Sheet
PartsTable / COMPONENT / 12255564-2
12255564-2 ✓ Verified by PartsTable
— · BOLT SCREW
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 STUD,TURNBUTTON FASTENER is a the manufacturer industrial component. Key specifications include height: 1.060 INCHES NOMINAL1.060 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, end_length: 0.530 INCHES MINIMUM AND 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM0.550 INCHES MAXIMUM IN, base_length: 0.780 INCHES NOMINAL0.780 INCHES NOMINAL IN, button_width: 0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN, button_thickness: 0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-050-6192, 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
12255564-2
NSN: 5325-01-050-6192
FSC: 5325
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height1.060 INCHES NOMINAL1.060 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
end_length0.530 INCHES MINIMUM AND 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM0.550 INCHES MAXIMUM IN
base_length0.780 INCHES NOMINAL0.780 INCHES NOMINAL IN
button_width0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN
button_thickness0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN
surface_treatmentOXIDE FILM OVERALL
turnbutton_stud_styleMACHINE SCREWMACHINE SCREW
socket_accommodated_quantity11
thread_size_and_series/type_designator0.250-20 UNIFIED NATIONAL COARSE (UNC)
surface_treatment_document_and_classificationMIL-F-495 MIL STD SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-050-6192
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12255564-2 · 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
•
BUTTON WIDTH: 0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-20 UNIFIED NATIONAL COARSE (UNC)
•
HEIGHT: 1.060 INCHES NOMINAL1.060 INCHES NOMINAL IN
•
TURNBUTTON STUD STYLE: MACHINE SCREWMACHINE SCREW
•
END LENGTH: 0.530 INCHES MINIMUM AND 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM0.550 INCHES MAXIMUM IN
•
BUTTON THICKNESS: 0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN
•
BASE LENGTH: 0.780 INCHES NOMINAL0.780 INCHES NOMINAL IN
•
SOCKET ACCOMMODATED QUANTITY: 11
TECHNICAL CHARACTERISTICS (FLIS)
BUTTON WIDTH0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-20 UNIFIED NATIONAL COARSE (UNC)
HEIGHT1.060 INCHES NOMINAL1.060 INCHES NOMINAL IN
TURNBUTTON STUD STYLEMACHINE SCREWMACHINE SCREW
END LENGTH0.530 INCHES MINIMUM AND 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM0.550 INCHES MAXIMUM IN
BUTTON THICKNESS0.530 INCHES NOMINAL0.530 INCHES NOMINAL IN
BASE LENGTH0.780 INCHES NOMINAL0.780 INCHES NOMINAL IN
SOCKET ACCOMMODATED QUANTITY11
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-495 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
C23EInterchangeable
interchangeable cross-reference
interchangeable
JJ102Interchangeable
interchangeable cross-reference
interchangeable
M641/15-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12255564-2?
12255564-2 is a STUD,TURNBUTTON FASTENER.
What parts can replace 12255564-2?
There are 3 known substitutes for 12255564-2: C23E, JJ102, M641/15-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 12255564-2?
12255564-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-050-6192. 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