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PartsTable / COMPONENT / 120-225C3-12
120-225C3-12 ✓ 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 SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: ROUND EXTENDED WASHER, grip_length: 0.312 INCHES NOMINAL IN, head_height: 0.094 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.189 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 5305-01-524-1544, 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
120-225C3-12
NSN: 5305-01-524-1544
FSC: 5305
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleROUND EXTENDED WASHER
grip_length0.312 INCHES NOMINAL IN
head_height0.094 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.189 INCHES NOMINAL IN
head_diameter0.375 INCHES NOMINAL IN
thread_length0.430 INCHES NOMINAL IN
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCRUCIFORM RIBBED
NSN5305-01-524-1544
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 120-225C3-12 · 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
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
EXTENDED WASHER DIAMETER: 0.437 INCHES NOMINAL IN
•
GRIP LENGTH: 0.312 INCHES NOMINAL IN
•
THREAD LENGTH: 0.430 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
HEAD STYLE: ROUND EXTENDED WASHER
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.190 INCHES IN
EXTENDED WASHER DIAMETER0.437 INCHES NOMINAL IN
GRIP LENGTH0.312 INCHES NOMINAL IN
THREAD LENGTH0.430 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
SURFACE TREATMENTPASSIVATE OVERALL
HEAD STYLEROUND EXTENDED WASHER
THREAD CLASS3A A
MATERIALIRON ALLOY 660 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
120225Interchangeable
interchangeable cross-reference
interchangeable
FFB571ATYPEA2Interchangeable
interchangeable cross-reference
interchangeable
MS35355-1Interchangeable
interchangeable cross-reference
interchangeable
FFB575Interchangeable
interchangeable cross-reference
interchangeable
11-2979Interchangeable
interchangeable cross-reference
interchangeable
12-225Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-225C3-12?
120-225C3-12 is a SCREW,CLOSE TOLERANCE.
What parts can replace 120-225C3-12?
There are 14 known substitutes for 120-225C3-12: 120225, FFB571ATYPEA2, MS35355-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120-225C3-12?
120-225C3-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-524-1544. 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