PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4342-8Tool,tang Breakoff

Stanley Engineered Fastening Llc · NSN 5120-01-157-6467 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-157-6467 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-157-6467. Primary manufacturer part number: 4342-8.
Features
  • Tool,tang Breakoff — FSC 5120
  • General Characteristics Item Description: LOW CARBON STEEL; 4.000 IN. LG.; 0.250 IN. DIA.; CASE HARDENED TO ROCKWELL C45 MIN. TO CASE DEPTH OF 0.005-0.020 IN.; THREADED TO M8 X 1.25,THREAD LG. = 1.125 IN. IN
  • 1 verified cross-reference
  • Primary manufacturer: Stanley Engineered Fastening Llc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Tool,tang Breakoff, cataloged under National Stock Number 5120-01-157-6467, 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 1 verified specification, 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
NSN5120-01-157-6467
Primary Part Number4342-8
Item NameTool,tang Breakoff
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
General Characteristics Item DescriptionLOW CARBON STEEL; 4.000 IN. LG.; 0.250 IN. DIA.; CASE HARDENED TO ROCKWELL C45 MIN. TO CASE DEPTH OF 0.005-0.020 IN.; THREADED TO M8 X 1.25,THREAD LG. = 1.125 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6685-00-318-738143428 INTERCHANGEABLE
Thermostat,flow Control
Spirax Sarco Inc Dba Spirax Sarco
9540-00-402-0370 INTERCHANGEABLE
Beam,structural
5950-00-539-7322661699 INTERCHANGEABLE
Transformer,audio Frequency
Lockheed Martin Corporation Div Rms - Mitchel Field
5130-01-645-049443428 INTERCHANGEABLE
Pipe Press Kit
Ridge Tool Company
Cross-Reference Index
Part NumberManufacturer
4342-8 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
6685-00-318-7381INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
43428
9540-00-402-0370INTERCHANGEABLE
BEAM,STRUCTURAL
5950-00-539-7322INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
661699
5130-01-645-0494INTERCHANGEABLE
PIPE PRESS KIT
43428

Frequently Asked Questions

What is NSN 5120-01-157-6467?

NSN 5120-01-157-6467 is a Tool,tang Breakoff, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-157-6467?

NSN 5120-01-157-6467 has 1 cross-referenced part number: 4342-8 (Stanley Engineered Fastening Llc).

What NSN replaces 5120-01-157-6467?

There are 4 known substitutes for 5120-01-157-6467: 6685-00-318-7381, 9540-00-402-0370, 5950-00-539-7322 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4342-8?

Key specifications for 4342-8: General Characteristics Item Description: LOW CARBON STEEL; 4.000 IN. LG.; 0.250 IN. DIA.; CASE HARDENED TO ROCKWELL C45 MIN. TO CASE DEPTH OF 0.005-0.020 IN.; THREADED TO M8 X 1.25,THREAD LG. = 1.125 IN. IN; End Item Identification: GUN,AUTOMATIC,25 MM.(M242); NSN 1005-01-086-1400 MM. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com