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Technical Data Sheet
PartsTable / MRO / 120221
120221 ✓ 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 ELECTRONIC SUBASSEM is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304, head_style: PAN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, hole_diameter: 0.093 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 5305-00-012-0221, 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→ 120221
NSN: 5305-00-012-0221
FSC: 5305
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304
head_stylePAN
head_height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
hole_diameter0.093 INCHES NOMINAL IN
thread_length0.417 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
fastener_length0.500 INCHES NOMINAL IN
outside_diameter1.109 INCHES NOMINAL IN
special_featuresCUTOUT ON OUTSIDE OF SPACER 0.30 IN. LONG 0.062 IN. DEEP IN
style_designatorCIRCULAR
NSN5305-00-012-0221
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 120221 · 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
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: SLOT
•
HEAD STYLE: ROUND
•
HEAD HEIGHT: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
THREAD QUANTITY PER INCH: 24
•
SCREW MATERIAL: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.500 INCHES NOMINAL IN
INTERNAL DRIVE STYLESLOT
HEAD STYLEROUND
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
THREAD QUANTITY PER INCH24
SCREW MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
PC68290-4Interchangeable
interchangeable cross-reference
interchangeable
3300P1-502Interchangeable
interchangeable cross-reference
interchangeable
503-S 57Interchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
44127Interchangeable
interchangeable cross-reference
interchangeable
10511Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120221?
120221 is a ELECTRONIC SUBASSEM. It is classified as a MRO (MRO_GENERAL).
What parts can replace 120221?
There are 20 known substitutes for 120221: PC68290-4, 3300P1-502, 503-S 57 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120221?
120221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-012-0221. 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