PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4238-2Tang Breakoff Tool,screw Thread

Stanley Engineered Fastening Llc · NSN 5120-01-620-9514 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-620-9514 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-620-9514. Primary manufacturer part number: 4238-2.
Features
  • Tang Breakoff Tool,screw Thread — FSC 5120
  • Unit Type: AUTOMATIC SPRING ACTUATED PUNCH
  • Thread Size and Series/type Designator: -2 X 0.4 ISO M
  • 1 verified cross-reference
  • 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 5120-01-620-9514, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-620-9514
Primary Part Number4238-2
Item NameTang Breakoff Tool,screw Thread
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Unit TypeAUTOMATIC SPRING ACTUATED PUNCH
Thread Size and Series/type Designator-2 X 0.4 ISO M
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7530-00-764-056535500 INTERCHANGEABLE
Paper,graph
Cardinal Brands Inc Div Cardinal Custom Solutions
5962-01-089-279442382 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5825-01-306-9298138-89-00005 INTERCHANGEABLE
Control,beacon Transfer
U S Dept of Transportation Federal Aviation Administration
4820-01-688-175442382 INTERCHANGEABLE
Valve,ball
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
4238-2 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
7530-00-764-0565INTERCHANGEABLE
PAPER,GRAPH
35500
5962-01-089-2794INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42382
5825-01-306-9298INTERCHANGEABLE
CONTROL,BEACON TRANSFER
138-89-00005
4820-01-688-1754INTERCHANGEABLE
VALVE,BALL
42382

Frequently Asked Questions

What is NSN 5120-01-620-9514?

NSN 5120-01-620-9514 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 5120-01-620-9514?

NSN 5120-01-620-9514 has 1 cross-referenced part number: 4238-2 (Stanley Engineered Fastening Llc).

What NSN replaces 5120-01-620-9514?

There are 4 known substitutes for 5120-01-620-9514: 7530-00-764-0565, 5962-01-089-2794, 5825-01-306-9298 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4238-2?

Key specifications for 4238-2: Unit Type: AUTOMATIC SPRING ACTUATED PUNCH; Thread Size and Series/type Designator: -2 X 0.4 ISO M. 2 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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