PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-T-581 TY1CL2Tap,thread Cutting

General Services Administration Federal Supply Service · NSN 5136-00-889-5317 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-889-5317 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-889-5317. Primary manufacturer part number: GGG-T-581 TY1CL2.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Pitch Diameters: +0.4908 TO 0.4938 INCHES IN
  • Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: STRAIGHT FLUTE
  • Thread Forming Method: GROUND
  • Length: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM SQUARE END IN
  • Thread Size and Series/type Designator: 0.250-18 NPS
  • Starting Chamfer Type: PLUG
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-889-5317, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5136-00-889-5317
Primary Part NumberGGG-T-581 TY1CL2
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Thread Pitch Diameters+0.4908 TO 0.4938 INCHES IN
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorSTRAIGHT FLUTE
Thread Forming MethodGROUND
Length0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM SQUARE END IN
Thread Size and Series/type Designator0.250-18 NPS
Starting Chamfer TypePLUG
Width Across Flats0.415 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Flute Quantity4
Thread StructureREGULAR
Shank Diameter0.561 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Thread Length1.000 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5136-00-889-5314 INTERCHANGEABLE
Tap,thread Cutting
5136-00-889-5315 INTERCHANGEABLE
Tap,thread Cutting
5136-00-889-5316 INTERCHANGEABLE
Tap,thread Cutting
5136-00-889-6967 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
GGG-T-581 TY1CL2 General Services Administration Federal Supply Service (USA)
GGG-T-581 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B94.9 The American Society of Mechanical Engineers (USA)
B94.9 1/4-18 NPS HS G General Services Administration Federal Supply Service (USA)
Related Parts
5136-00-889-5314INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-889-5315INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-889-5316INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-889-6967INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5136-00-889-5317?

NSN 5136-00-889-5317 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 5136-00-889-5317?

NSN 5136-00-889-5317 has 4 cross-referenced part numbers: GGG-T-581 TY1CL2 (General Services Administration Federal Supply Service), GGG-T-581 (Federal Specifications Promulgated by General Services Administration Washington DC), B94.9 (The American Society of Mechanical Engineers), B94.9 1/4-18 NPS HS G (General Services Administration Federal Supply Service).

What NSN replaces 5136-00-889-5317?

There are 4 known substitutes for 5136-00-889-5317: 5136-00-889-5314, 5136-00-889-5315, 5136-00-889-5316 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-T-581 TY1CL2?

Key specifications for GGG-T-581 TY1CL2: Thread Pitch Diameters: +0.4908 TO 0.4938 INCHES IN; Overall Length: 2.407 INCHES MINIMUM AND 2.469 INCHES MAXIMUM IN; Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Style Designator: STRAIGHT FLUTE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-889-5317 still in active supply?

NSN 5136-00-889-5317 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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