PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4156-06Tang Breakoff Tool,screw Thread

Stanley Engineered Fastening Llc · NSN 5120-00-935-4541 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-935-4541 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-935-4541. Primary manufacturer part number: 4156-06.
Features
  • Tang Breakoff Tool,screw Thread — FSC 5120
  • Unit Type: SOLID PUNCH
  • Thread Size and Series/type Designator: 6-32 UNIFIED NATIONAL COARSE (UNC) AND 6-40 UNF
  • Nondefinitive Spec/std Data: 4 TYPE AND 2 CLASS
  • Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 8 verified cross-references
  • Primary manufacturer: Stanley Engineered Fastening Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Tang Breakoff Tool,screw Thread, cataloged under National Stock Number 5120-00-935-4541, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-935-4541
Primary Part Number4156-06
Item NameTang Breakoff Tool,screw Thread
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Unit TypeSOLID PUNCH
Thread Size and Series/type Designator6-32 UNIFIED NATIONAL COARSE (UNC) AND 6-40 UNF
Nondefinitive Spec/std Data4 TYPE AND 2 CLASS
Specification/standard Data0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-052-9057MS24630-45 INTERCHANGEABLE
Screw,tapping
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5120-00-370-4025 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-544-9174 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-711-7475 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-776-7264 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-935-45404156-04 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
Stanley Engineered Fastening Llc
5120-00-937-97294156-2 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
Stanley Engineered Fastening Llc
5120-00-937-9730 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-937-9731 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-937-9732 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
Cross-Reference Index
Part NumberManufacturer
4156-06 Stanley Engineered Fastening Llc (USA)
AS59158 TY4CL2 General Services Administration Federal Supply Service (USA)
A-A-59158 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59158 TY4CL2 General Services Administration Federal Supply Service (USA)
AS59158 Sae International Dba Sae International (USA)
MIL-T-21309 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-T-21309 TY4CL2 General Services Administration Federal Supply Service (USA)
AS59158 Society of Automotive Engineers Inc (USA)
Related Parts
5305-00-052-9057INTERCHANGEABLE
SCREW,TAPPING
MS24630-45
5120-00-370-4025INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-544-9174INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-711-7475INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-776-7264INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-935-4540INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
4156-04
5120-00-937-9729INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
4156-2
5120-00-937-9730INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-937-9731INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-937-9732INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-937-9733INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-937-9734INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD

Frequently Asked Questions

What is NSN 5120-00-935-4541?

NSN 5120-00-935-4541 is a Tang Breakoff Tool,screw Thread, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-935-4541?

NSN 5120-00-935-4541 has 8 cross-referenced part numbers: 4156-06 (Stanley Engineered Fastening Llc), AS59158 TY4CL2 (General Services Administration Federal Supply Service), A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59158 TY4CL2 (General Services Administration Federal Supply Service), AS59158 (Sae International Dba Sae International) and 3 more.

What NSN replaces 5120-00-935-4541?

There are 12 known substitutes for 5120-00-935-4541: 5305-00-052-9057, 5120-00-370-4025, 5120-00-544-9174 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4156-06?

Key specifications for 4156-06: Unit Type: SOLID PUNCH; Thread Size and Series/type Designator: 6-32 UNIFIED NATIONAL COARSE (UNC) AND 6-40 UNF; Nondefinitive Spec/std Data: 4 TYPE AND 2 CLASS; Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 4 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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