PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 120225
120225 ✓ 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 FLYWHEEL,ENGINE 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 5306-00-012-0225, 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
120225
NSN: 5306-00-012-0225
FSC: 5306
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (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
NSN5306-00-012-0225
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 120225 · 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
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 20
•
THREAD CLASS: 2A A
•
NONDEFINITIVE SPEC/STD DATA: A1 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH20
THREAD CLASS2A A
NONDEFINITIVE SPEC/STD DATAA1 TYPE
MATERIALSTEEL COMP 8740 OVERALL
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FFB571ATYPEA2Upgraded Successor
successor cross-reference
successor
MS35355-1Upgraded Successor
successor cross-reference
successor
FFB575Upgraded Successor
successor cross-reference
successor
12-0225Interchangeable
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 120225?
120225 is a FLYWHEEL,ENGINE.
What parts can replace 120225?
There are 13 known substitutes for 120225: FFB571ATYPEA2, MS35355-1, FFB575 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120225?
120225 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-012-0225. 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