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Technical Data Sheet
PartsTable / COMPONENT / ST1222
ST1222 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: STEEL OVERALL, overall_width: 1.050 INCHES NOMINAL IN, overall_height: 0.350 INCHES NOMINAL IN, overall_length: 1.563 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, mounting_method: UNTHREADED HOLE(S). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-235-5870, 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
ST1222
NSN: 5120-00-235-5870
FSC: 5120
CAGE: 65814 — TRW INC HAND TOOLS DIV TRW INDUSTRIAL PRODUCTS GROUP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.050 INCHES NOMINAL IN
overall_height0.350 INCHES NOMINAL IN
overall_length1.563 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
mounting_methodUNTHREADED HOLE(S)
special_markings11/16 IN. IN
style_designatorINTERNAL-INTERNAL
features_providedBURN IN
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.500 INCHES NOMINAL SINGLE END IN
internal_configurationJUNCTION CONTACT
NSN5120-00-235-5870
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN ST1222 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
FEATURES PROVIDED: MANUAL TOOL
•
WRENCHING SURFACE SIZE: 0.688 INCHES NOMINAL SINGLE END IN
•
DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.78 INCHES MAXIMUM IN
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
MATERIALSTEEL OVERALL
STYLE DESIGNATORINTERNAL-INTERNAL
FEATURES PROVIDEDMANUAL TOOL
WRENCHING SURFACE SIZE0.688 INCHES NOMINAL SINGLE END IN
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
SPECIFICATION/STANDARD DATA0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
12122Interchangeable
interchangeable cross-reference
interchangeable
TT-P-791Interchangeable
interchangeable cross-reference
interchangeable
A-A-378 TY2Interchangeable
interchangeable cross-reference
interchangeable
11677025-8Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-641 TY2CL2STAInterchangeable
interchangeable cross-reference
interchangeable
B107.1 CL1STAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST1222?
ST1222 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace ST1222?
There are 29 known substitutes for ST1222: 12122, TT-P-791, A-A-378 TY2 and 26 more. Substitute compatibility should be verified for your specific system.
Is ST1222 still available?
ST1222 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