PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59158 TY4CL1STATang Breakoff Tool,screw Thread

General Services Administration Federal Supply Service · NSN 5120-00-793-1073 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-793-1073 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-793-1073. Primary manufacturer part number: A-A-59158 TY4CL1STA.
Features
  • Tang Breakoff Tool,screw Thread — FSC 5120
  • Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 4 TYPE AND 1 CLASS AND A STYLE
  • Unit Type: AUTOMATIC SPRING ACTUATED PUNCH
  • Thread Size and Series/type Designator: 4-40 UNIFIED NATIONAL COARSE (UNC) AND 4-48 UNF AND 5-40 UNIFIED NATIONAL COARSE (UNC)
  • 8 verified cross-references
  • Primary manufacturer: General Services Administration Federal Supply Service
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Tang Breakoff Tool,screw Thread, cataloged under National Stock Number 5120-00-793-1073, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-793-1073
Primary Part NumberA-A-59158 TY4CL1STA
Item NameTang Breakoff Tool,screw Thread
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Specification/standard Data0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data4 TYPE AND 1 CLASS AND A STYLE
Unit TypeAUTOMATIC SPRING ACTUATED PUNCH
Thread Size and Series/type Designator4-40 UNIFIED NATIONAL COARSE (UNC) AND 4-48 UNF AND 5-40 UNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5120-00-410-9156 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-776-9519 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-793-1074 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-793-1076 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-793-1077 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
Cross-Reference Index
Part NumberManufacturer
A-A-59158 TY4CL1STA General Services Administration Federal Supply Service (USA)
MIL-T-21309 TY4CL1STA General Services Administration Federal Supply Service (USA)
AS59158 Sae International Dba Sae International (USA)
A-A-59158 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-T-21309 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS59158 Society of Automotive Engineers Inc (USA)
AS59158 TY4CL1STA General Services Administration Federal Supply Service (USA)
3695-04 Stanley Engineered Fastening Llc (USA)
Related Parts
5120-00-410-9156INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-776-9519INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-793-1074INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-793-1076INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-793-1077INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD

Frequently Asked Questions

What is NSN 5120-00-793-1073?

NSN 5120-00-793-1073 is a Tang Breakoff Tool,screw Thread, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-793-1073?

NSN 5120-00-793-1073 has 8 cross-referenced part numbers: A-A-59158 TY4CL1STA (General Services Administration Federal Supply Service), MIL-T-21309 TY4CL1STA (General Services Administration Federal Supply Service), AS59158 (Sae International Dba Sae International), A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5120-00-793-1073?

There are 5 known substitutes for 5120-00-793-1073: 5120-00-410-9156, 5120-00-776-9519, 5120-00-793-1074 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59158 TY4CL1STA?

Key specifications for A-A-59158 TY4CL1STA: Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Nondefinitive Spec/std Data: 4 TYPE AND 1 CLASS AND A STYLE; Unit Type: AUTOMATIC SPRING ACTUATED PUNCH; Thread Size and Series/type Designator: 4-40 UNIFIED NATIONAL COARSE (UNC) AND 4-48 UNF AND 5-40 UNIFIED NATIONAL COARSE (UNC). 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-793-1073 still in active supply?

NSN 5120-00-793-1073 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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