PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-T-60Tap,thread Cutting

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5136-00-516-4139 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-516-4139 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-516-4139. Primary manufacturer part number: GGG-T-60.
Features
  • Tap,thread Cutting — FSC 5136
  • Shank Diameter: 0.323 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Nondefinitive Spec/std Data: 1 TYPE AND B SERIES AND 1 STYLE
  • Thread Size and Series/type Designator: 0.438-20 UNF
  • Departure From Cited Designator: AS MOD BY THD FORMING METHOD
  • Thread Forming Method: GROUND
  • Width Across Flats: 0.242 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-516-4139, is classified within Federal Supply Class 5136 (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 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-516-4139
Primary Part NumberGGG-T-60
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Shank Diameter0.323 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data1 TYPE AND B SERIES AND 1 STYLE
Thread Size and Series/type Designator0.438-20 UNF
Departure From Cited DesignatorAS MOD BY THD FORMING METHOD
Thread Forming MethodGROUND
Width Across Flats0.242 INCHES NOMINAL IN
Thread StructureREGULAR
Style DesignatorSTRAIGHT FLUTE
Flute Quantity4
MaterialSTEEL OVERALL
Starting Chamfer TypeTAPER
Length0.406 INCHES NOMINAL SQUARE END IN
Thread Length1.438 INCHES NOMINAL IN
Thread Pitch Diameters+0.4055 TO 0.4060 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5136-00-221-7939 INTERCHANGEABLE
Tap,thread Cutting
5136-00-228-0999 INTERCHANGEABLE
Tap,thread Cutting
5136-00-555-2346 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
GGG-T-60 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-T-60 TY1SEBST1 General Services Administration Federal Supply Service (USA)
Related Parts
5136-00-221-7939INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-228-0999INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-555-2346INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5136-00-516-4139?

NSN 5136-00-516-4139 is a Tap,thread Cutting, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-516-4139?

NSN 5136-00-516-4139 has 2 cross-referenced part numbers: GGG-T-60 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-T-60 TY1SEBST1 (General Services Administration Federal Supply Service).

What NSN replaces 5136-00-516-4139?

There are 3 known substitutes for 5136-00-516-4139: 5136-00-221-7939, 5136-00-228-0999, 5136-00-555-2346. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-T-60?

Key specifications for GGG-T-60: Shank Diameter: 0.323 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Nondefinitive Spec/std Data: 1 TYPE AND B SERIES AND 1 STYLE; Thread Size and Series/type Designator: 0.438-20 UNF. 16 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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