PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-T-581 TY1CL1Tap,thread Cutting

General Services Administration Federal Supply Service · NSN 5136-00-189-7806 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-189-7806 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-189-7806. Primary manufacturer part number: GGG-T-581 TY1CL1.
Features
  • Tap,thread Cutting — FSC 5136
  • Width Across Flats: 0.415 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
  • Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Flute Quantity: 4
  • Style Designator: STRAIGHT FLUTE
  • Length: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM SQUARE END IN
  • Material: STEEL OVERALL
  • Flute Quantity: 4
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-189-7806, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5136-00-189-7806
Primary Part NumberGGG-T-581 TY1CL1
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Width Across Flats0.415 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Flute Quantity4
Style DesignatorSTRAIGHT FLUTE
Length0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM SQUARE END IN
MaterialSTEEL OVERALL
Flute Quantity4
Starting Chamfer TypePLUG
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread StructureREGULAR
Width Across Flats0.415 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
Thread Forming MethodCUT
Thread Size and Series/type Designator0.250-18 NPT
Thread Length1.000 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Shank Diameter0.561 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Length0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM SQUARE END IN
Shank Diameter0.561 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Thread Size and Series/type Designator0.250-18 NPT
Thread StructureREGULAR
Thread Length1.000 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
Starting Chamfer TypePLUG
Style DesignatorSTRAIGHT FLUTE
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2530-00-006-6259F17681 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5930-00-136-1865 INTERCHANGEABLE
Switch,toggle
5136-00-189-7800 INTERCHANGEABLE
Tap,thread Cutting
5136-00-189-7801 INTERCHANGEABLE
Tap,thread Cutting
5136-00-189-7805385331 INTERCHANGEABLE
Tap,thread Cutting
Greenfield Industries Inc
5136-00-189-7807 INTERCHANGEABLE
Tap,thread Cutting
5136-00-189-7808 INTERCHANGEABLE
Tap,thread Cutting
3110-00-227-4832 INTERCHANGEABLE
Ring,bearing,outer
5136-00-237-8147 INTERCHANGEABLE
Tap,thread Cutting
5136-00-237-8148 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
GGG-T-581 TY1CL1 General Services Administration Federal Supply Service (USA)
A-A-364 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-T-581 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
14025 Bendix Corp the Industrial Tools Div South Beloit Plant (USA)
B94.9 The American Society of Mechanical Engineers (USA)
Related Parts
2530-00-006-6259INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
F17681
5930-00-136-1865INTERCHANGEABLE
SWITCH,TOGGLE
5136-00-189-7800INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-189-7801INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-189-7805INTERCHANGEABLE
TAP,THREAD CUTTING
385331
5136-00-189-7807INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-189-7808INTERCHANGEABLE
TAP,THREAD CUTTING
3110-00-227-4832INTERCHANGEABLE
RING,BEARING,OUTER
5136-00-237-8147INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-237-8148INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-237-8149INTERCHANGEABLE
TAP,THREAD CUTTING
5365-00-294-2480INTERCHANGEABLE
SPACER,SLEEVE

Frequently Asked Questions

What is NSN 5136-00-189-7806?

NSN 5136-00-189-7806 is a Tap,thread Cutting, manufactured by General Services Administration Federal Supply Service, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-00-189-7806?

NSN 5136-00-189-7806 has 5 cross-referenced part numbers: GGG-T-581 TY1CL1 (General Services Administration Federal Supply Service), A-A-364 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), GGG-T-581 (Federal Specifications Promulgated by General Services Administration Washington DC), 14025 (Bendix Corp the Industrial Tools Div South Beloit Plant), B94.9 (The American Society of Mechanical Engineers).

What NSN replaces 5136-00-189-7806?

There are 12 known substitutes for 5136-00-189-7806: 2530-00-006-6259, 5930-00-136-1865, 5136-00-189-7800 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-T-581 TY1CL1?

Key specifications for GGG-T-581 TY1CL1: Width Across Flats: 0.415 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN; Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Flute Quantity: 4; Style Designator: STRAIGHT FLUTE. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-189-7806 still in active supply?

NSN 5136-00-189-7806 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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