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PartsTable / COMPONENT / ST-820
ST-820 ✓ 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

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.750 INCHES MAXIMUM IN, drive_end_shape: SQUARE SINGLE END INTERNAL, special_markings: 5/8 IN. IN, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-180-1020, 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
ST-820
NSN: 5120-00-180-1020
FSC: 5120
CAGE: 65814 — TRW INC HAND TOOLS DIV TRW INDUSTRIAL PRODUCTS GROUP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.750 INCHES MAXIMUM IN
drive_end_shapeSQUARE SINGLE END INTERNAL
special_markings5/8 IN. IN
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.500 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.625 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape8 POINT SINGLE END INTERNAL
drive_end_outside_diameter1.260 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 TYPE
NSN5120-00-180-1020
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN ST-820 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
SPECIAL MARKINGS: 5/8 IN. IN
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
WRENCHING SURFACE SIZE: 0.625 INCHES NOMINAL SINGLE END IN
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
DRIVE END OUTSIDE DIAMETER: 1.260 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
WRENCHING END OPENING DEPTH: 0.375 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL MARKINGS5/8 IN. IN
SPECIFICATION/STANDARD DATA05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SIZE0.625 INCHES NOMINAL SINGLE END IN
SURFACE TREATMENTCHROMIUM OVERALL
MATERIALSTEEL OVERALL
DRIVE END OUTSIDE DIAMETER1.260 INCHES MAXIMUM IN
STYLE DESIGNATORINTERNAL-INTERNAL
WRENCHING END OPENING DEPTH0.375 INCHES MINIMUM IN
OVERALL LENGTH1.750 INCHES MAXIMUM IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A-A-1402Interchangeable
interchangeable cross-reference
interchangeable
B107.1 TY2Interchangeable
interchangeable cross-reference
interchangeable
E312Interchangeable
interchangeable cross-reference
interchangeable
B107.110Interchangeable
interchangeable cross-reference
interchangeable
11-414Interchangeable
interchangeable cross-reference
interchangeable
B107.110 CAT 1 TY2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST-820?
ST-820 is a SOCKET,SOCKET WRENCH.
What parts can replace ST-820?
There are 19 known substitutes for ST-820: A-A-1402, B107.1 TY2, E312 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-820?
ST-820 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-180-1020. 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