PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 TY3Socket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-579-1031 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-579-1031 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-579-1031. Primary manufacturer part number: B107.1 TY3.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 0.520 INCHES NOMINAL IN
  • Wrenching End Outside Diameter: 0.737 INCHES NOMINAL IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Drive End Outside Diameter: 0.860 INCHES NOMINAL IN
  • Wrenching Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-579-1031, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-579-1031
Primary Part NumberB107.1 TY3
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Wrenching End Opening Depth0.520 INCHES NOMINAL IN
Wrenching End Outside Diameter0.737 INCHES NOMINAL IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Drive End Outside Diameter0.860 INCHES NOMINAL IN
Wrenching Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Features ProvidedMANUAL TOOL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5910-00-010-8717 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
7510-00-223-67082033500 INTERCHANGEABLE
Crayon,marking
Toshiba America Inc
4540-00-434-6575 INTERCHANGEABLE
Shredder,rotary
5945-00-831-912875-850301-2910 INTERCHANGEABLE
Relay,electromagnetic
Essex Brownell Inc. Div Essex Group Inc
2540-00-847-5995 INTERCHANGEABLE
Arm,windshield Wiper
5895-01-170-2194 INTERCHANGEABLE
Mixer Stage,frequency
4820-01-358-7000 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5950-01-438-49636200265-1 INTERCHANGEABLE
Reactor
Raytheon Company
6515-01-574-8101CFC1030 INTERCHANGEABLE
Catheter,urethral
Smiths Medical Asd Inc Dba Smiths Medical Asd, Inc
4610-01-646-513280773 INTERCHANGEABLE
Filter Element,water Purificatio
Filmtec Corp
Cross-Reference Index
Part NumberManufacturer
B107.1 TY3 General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
80773 Apex Tool Group, Llc Dba Nicholson (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
12-316 Apex Tool Group, Llc Dba Nicholson (USA)
12-316 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
00-243-7351 Replacement NSN of Temporarily Maintained NSN
12-316 Armstrong Bros Tool Co (USA)
Related Parts
5910-00-010-8717INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
7510-00-223-6708INTERCHANGEABLE
CRAYON,MARKING
2033500
4540-00-434-6575INTERCHANGEABLE
SHREDDER,ROTARY
5945-00-831-9128INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
75-850301-2910
2540-00-847-5995INTERCHANGEABLE
ARM,WINDSHIELD WIPER
5895-01-170-2194INTERCHANGEABLE
MIXER STAGE,FREQUENCY
4820-01-358-7000INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5950-01-438-4963INTERCHANGEABLE
REACTOR
6200265-1
6515-01-574-8101INTERCHANGEABLE
CATHETER,URETHRAL
CFC1030
4610-01-646-5132INTERCHANGEABLE
FILTER ELEMENT,WATER PURIFICATIO
80773

Frequently Asked Questions

What is NSN 5120-01-579-1031?

NSN 5120-01-579-1031 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-579-1031?

NSN 5120-01-579-1031 has 10 cross-referenced part numbers: B107.1 TY3 (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), 80773 (Apex Tool Group, Llc Dba Nicholson), AS954 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International) and 5 more.

What NSN replaces 5120-01-579-1031?

There are 10 known substitutes for 5120-01-579-1031: 5910-00-010-8717, 7510-00-223-6708, 4540-00-434-6575 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 TY3?

Key specifications for B107.1 TY3: Wrenching End Opening Depth: 0.520 INCHES NOMINAL IN; Overall Length: 2.930 INCHES MINIMUM IN; Wrenching End Outside Diameter: 0.737 INCHES NOMINAL IN; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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