PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1966938Bit,forstner

Stanley Tools Div of Stanley Works · NSN 5133-00-142-4983 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-142-4983 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-142-4983. Primary manufacturer part number: 1966938.
Features
  • Bit,forstner — FSC 5133
  • Material: STEEL OVERALL
  • Shank Diameter: 0.375 INCHES NOMINAL IN
  • Nominal Cutting Diameter: 2.0000 INCHES IN
  • Cutting End Style: CIRCULAR RIM
  • 8 verified cross-references
  • Primary manufacturer: Stanley Tools Div of Stanley Works
Applications
  • Applications requiring Steel Overall construction
General Description

The Bit,forstner, cataloged under National Stock Number 5133-00-142-4983, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Tools Div of Stanley Works. 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
NSN5133-00-142-4983
Primary Part Number1966938
Item NameBit,forstner
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerStanley Tools Div of Stanley Works
StatusACTIVE
MaterialSTEEL OVERALL
Shank Diameter0.375 INCHES NOMINAL IN
Nominal Cutting Diameter2.0000 INCHES IN
Cutting End StyleCIRCULAR RIM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1650-00-013-383614532 INTERCHANGEABLE
Poppet and Sleeve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5133-00-142-495814504 INTERCHANGEABLE
Bit,forstner
Vermont American Corp
5133-00-142-4959 INTERCHANGEABLE
Bit,forstner
5133-00-142-496014506 INTERCHANGEABLE
Bit,forstner
Vermont American Corp
5133-00-142-4961 INTERCHANGEABLE
Bit,forstner
5133-00-142-4962 INTERCHANGEABLE
Bit,forstner
5133-00-142-4964 INTERCHANGEABLE
Bit,forstner
5133-00-142-4965 INTERCHANGEABLE
Bit,forstner
5133-00-142-4966 INTERCHANGEABLE
Bit,forstner
5133-00-142-4967 INTERCHANGEABLE
Bit,forstner
Cross-Reference Index
Part NumberManufacturer
1966938 PRIMARY Stanley Tools Div of Stanley Works (USA)
42932 Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
1966938 Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
GGG-B-383 TY1CLG General Services Administration Federal Supply Service (USA)
GGG-B-383 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
42932 Irwin Industrial Tool Company (USA)
62899 Vermont American Corp (USA)
14532 PRIMARY Vermont American Corp (USA)
Related Parts
1650-00-013-3836INTERCHANGEABLE
POPPET AND SLEEVE
14532
5133-00-142-4958INTERCHANGEABLE
BIT,FORSTNER
14504
5133-00-142-4959INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4960INTERCHANGEABLE
BIT,FORSTNER
14506
5133-00-142-4961INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4962INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4964INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4965INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4966INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4967INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4968INTERCHANGEABLE
BIT,FORSTNER
14514
5133-00-142-4970INTERCHANGEABLE
BIT,FORSTNER
14516

Frequently Asked Questions

What is NSN 5133-00-142-4983?

NSN 5133-00-142-4983 is a Bit,forstner, manufactured by Stanley Tools Div of Stanley Works, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-00-142-4983?

NSN 5133-00-142-4983 has 8 cross-referenced part numbers: 1966938 (Stanley Tools Div of Stanley Works), 42932 (Irwin Industrial Tool Company Dba Irwin Construction Accessories), 1966938 (Irwin Industrial Tool Company Dba Irwin Construction Accessories), GGG-B-383 TY1CLG (General Services Administration Federal Supply Service), GGG-B-383 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5133-00-142-4983?

There are 12 known substitutes for 5133-00-142-4983: 1650-00-013-3836, 5133-00-142-4958, 5133-00-142-4959 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1966938?

Key specifications for 1966938: Material: STEEL OVERALL; Shank Diameter: 0.375 INCHES NOMINAL IN; Nominal Cutting Diameter: 2.0000 INCHES IN; Cutting End Style: CIRCULAR RIM. 6 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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