PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-B-383Bit,forstner

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5133-00-142-4965 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-142-4965 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-142-4965. Primary manufacturer part number: GGG-B-383.
Features
  • Bit,forstner — FSC 5133
  • Shank Diameter: 0.500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: G CLASS AND 1 TYPE
  • Nominal Cutting Diameter: 0.6875 INCHES IN
  • Shank Style: FLAT ROUND
  • Cutting End Style: CIRCULAR RIM
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Applications
  • Applications requiring Steel Overall construction
General Description

The Bit,forstner, cataloged under National Stock Number 5133-00-142-4965, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5133-00-142-4965
Primary Part NumberGGG-B-383
Item NameBit,forstner
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Shank Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataG CLASS AND 1 TYPE
Nominal Cutting Diameter0.6875 INCHES IN
Shank StyleFLAT ROUND
Cutting End StyleCIRCULAR RIM
Hardness Rating40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
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
5133-00-142-4966 INTERCHANGEABLE
Bit,forstner
5133-00-142-4967 INTERCHANGEABLE
Bit,forstner
5133-00-142-496814514 INTERCHANGEABLE
Bit,forstner
Vermont American Corp
5133-00-142-497014516 INTERCHANGEABLE
Bit,forstner
Vermont American Corp
Cross-Reference Index
Part NumberManufacturer
GGG-B-383 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-B-383 TY1CLG General Services Administration Federal Supply Service (USA)
Related Parts
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
5133-00-142-4966INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4967INTERCHANGEABLE
BIT,FORSTNER
5133-00-142-4968INTERCHANGEABLE
BIT,FORSTNER
14514
5133-00-142-4970INTERCHANGEABLE
BIT,FORSTNER
14516
5133-00-142-4972INTERCHANGEABLE
BIT,FORSTNER
42918
5133-00-142-4974INTERCHANGEABLE
BIT,FORSTNER
42920

Frequently Asked Questions

What is NSN 5133-00-142-4965?

NSN 5133-00-142-4965 is a Bit,forstner, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-00-142-4965?

NSN 5133-00-142-4965 has 2 cross-referenced part numbers: GGG-B-383 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-B-383 TY1CLG (General Services Administration Federal Supply Service).

What NSN replaces 5133-00-142-4965?

There are 12 known substitutes for 5133-00-142-4965: 5133-00-142-4958, 5133-00-142-4959, 5133-00-142-4960 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-B-383?

Key specifications for GGG-B-383: Shank Diameter: 0.500 INCHES NOMINAL IN; Material: STEEL OVERALL; Nondefinitive Spec/std Data: G CLASS AND 1 TYPE; Nominal Cutting Diameter: 0.6875 INCHES IN. 8 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