PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4238-5Tang Breakoff Tool,screw Thread

Stanley Engineered Fastening Llc · NSN 5120-01-118-6258 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-118-6258 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-118-6258. Primary manufacturer part number: 4238-5.
Features
  • Tang Breakoff Tool,screw Thread — FSC 5120
  • Unit Type: AUTOMATIC SPRING ACTUATED PUNCH
  • Thread Size and Series/type Designator: -5 X 0.8 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 5120-01-118-6258, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-118-6258
Primary Part Number4238-5
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-5 X 0.8 ISO M
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-911-5573 INTERCHANGEABLE
Seal,plain Encased
5330-01-035-9418 INTERCHANGEABLE
Seal,plain Encased
5962-01-088-947142385 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
6665-01-227-036242385 INTERCHANGEABLE
Converter Assembly
Mirion Technologies (canberra), Inc.
6105-01-262-01814Z385 INTERCHANGEABLE
Motor,alternating Current
Insinger Machine Co
5340-01-318-232142385 INTERCHANGEABLE
Clamp,loop
Tifco Industries, Inc. Dba Tifco Industries Inc
Cross-Reference Index
Part NumberManufacturer
4238-5 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
5330-00-911-5573INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-035-9418INTERCHANGEABLE
SEAL,PLAIN ENCASED
5962-01-088-9471INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42385
6665-01-227-0362INTERCHANGEABLE
CONVERTER ASSEMBLY
42385
6105-01-262-0181INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
4Z385
5340-01-318-2321INTERCHANGEABLE
CLAMP,LOOP
42385

Frequently Asked Questions

What is NSN 5120-01-118-6258?

NSN 5120-01-118-6258 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 5120-01-118-6258?

NSN 5120-01-118-6258 has 1 cross-referenced part number: 4238-5 (Stanley Engineered Fastening Llc).

What NSN replaces 5120-01-118-6258?

There are 6 known substitutes for 5120-01-118-6258: 5330-00-911-5573, 5330-01-035-9418, 5962-01-088-9471 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4238-5?

Key specifications for 4238-5: Unit Type: AUTOMATIC SPRING ACTUATED PUNCH; Thread Size and Series/type Designator: -5 X 0.8 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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