PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4156-5Tang Breakoff Tool,screw Thread

Stanley Engineered Fastening Llc · NSN 5120-00-937-9732 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-937-9732 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-937-9732. Primary manufacturer part number: 4156-5.
Features
  • Tang Breakoff Tool,screw Thread — FSC 5120
  • Nondefinitive Spec/std Data: 4 TYPE AND 2 CLASS
  • Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Unit Type: SOLID PUNCH
  • Thread Size and Series/type Designator: 5/16-18 UNIFIED NATIONAL COARSE (UNC) AND 5/16-24 UNF
  • 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 5120-00-937-9732, 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
NSN5120-00-937-9732
Primary Part Number4156-5
Item NameTang Breakoff Tool,screw Thread
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Nondefinitive Spec/std Data4 TYPE AND 2 CLASS
Specification/standard Data0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Unit TypeSOLID PUNCH
Thread Size and Series/type Designator5/16-18 UNIFIED NATIONAL COARSE (UNC) AND 5/16-24 UNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-354-20462BL01216 INTERCHANGEABLE
Setscrew
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5120-00-370-4025 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
6930-00-394-024641565 INTERCHANGEABLE
Drum Assembly,numbe
Instruments and Flight Research, Inc.
5120-00-544-9174 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5950-00-578-8558SMD346444 INTERCHANGEABLE
Transformer,discriminator
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5120-00-711-7475 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5120-00-776-7264 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
4820-00-863-67404-156-5 INTERCHANGEABLE
Seat,valve
Parker Hannifin Corporation Div Aerospace Group Headquarters
5120-00-935-45404156-04 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
Stanley Engineered Fastening Llc
5120-00-935-4541 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
Cross-Reference Index
Part NumberManufacturer
4156-5 Stanley Engineered Fastening Llc (USA)
A-A-59158 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS59158 Society of Automotive Engineers Inc (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
AS59158 TY4CL2 General Services Administration Federal Supply Service (USA)
A-A-59158 TY4CL2 General Services Administration Federal Supply Service (USA)
MIL-T-21309 TY4CL2 General Services Administration Federal Supply Service (USA)
Related Parts
5305-00-354-2046INTERCHANGEABLE
SETSCREW
2BL01216
5120-00-370-4025INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
6930-00-394-0246INTERCHANGEABLE
DRUM ASSEMBLY,NUMBE
41565
5120-00-544-9174INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5950-00-578-8558INTERCHANGEABLE
TRANSFORMER,DISCRIMINATOR
SMD346444
5120-00-711-7475INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-776-7264INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
4820-00-863-6740INTERCHANGEABLE
SEAT,VALVE
4-156-5
5120-00-935-4540INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
4156-04
5120-00-935-4541INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5120-00-937-9729INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
4156-2
5120-00-937-9730INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD

Frequently Asked Questions

What is NSN 5120-00-937-9732?

NSN 5120-00-937-9732 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 5120-00-937-9732?

NSN 5120-00-937-9732 has 8 cross-referenced part numbers: 4156-5 (Stanley Engineered Fastening Llc), A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AS59158 (Society of Automotive Engineers Inc), AS59158 (Sae International Dba Sae International), 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 5120-00-937-9732?

There are 12 known substitutes for 5120-00-937-9732: 5305-00-354-2046, 5120-00-370-4025, 6930-00-394-0246 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4156-5?

Key specifications for 4156-5: Nondefinitive Spec/std Data: 4 TYPE AND 2 CLASS; Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Unit Type: SOLID PUNCH; Thread Size and Series/type Designator: 5/16-18 UNIFIED NATIONAL COARSE (UNC) AND 5/16-24 UNF. 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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