PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-T-60 TY1SECST1Tap,thread Cutting

General Services Administration Federal Supply Service · NSN 5136-00-555-8439 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-555-8439 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-555-8439. Primary manufacturer part number: GGG-T-60 TY1SECST1.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.000 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 1 TYPE AND C SERIES AND 1 STYLE
  • Thread Forming Method: CUT
  • Material: STEEL OVERALL
  • Starting Chamfer Type: TAPER
  • Length: 0.312 INCHES NOMINAL SQUARE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-555-8439, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5136-00-555-8439
Primary Part NumberGGG-T-60 TY1SECST1
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Length1.000 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND C SERIES AND 1 STYLE
Thread Forming MethodCUT
MaterialSTEEL OVERALL
Starting Chamfer TypeTAPER
Length0.312 INCHES NOMINAL SQUARE END IN
Thread StructureREGULAR
Flute Quantity4
Thread Size and Series/type Designator0.250-24 UNS
Width Across Flats0.191 INCHES NOMINAL IN
Style DesignatorSTRAIGHT FLUTE
Thread Pitch Diameters+0.2234 TO 0.2254 INCHES IN
Shank Diameter0.255 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5136-00-186-66411312 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5136-00-186-6642 INTERCHANGEABLE
Tap,thread Cutting
5136-00-221-6111 INTERCHANGEABLE
Tap,thread Cutting
5136-00-272-9706 INTERCHANGEABLE
Tap,thread Cutting
5136-00-640-6528 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
GGG-T-60 TY1SECST1 General Services Administration Federal Supply Service (USA)
GGG-T-60 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5136-00-186-6641INTERCHANGEABLE
TAP,THREAD CUTTING
1312
5136-00-186-6642INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-221-6111INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-272-9706INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-640-6528INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5136-00-555-8439?

NSN 5136-00-555-8439 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 5136-00-555-8439?

NSN 5136-00-555-8439 has 2 cross-referenced part numbers: GGG-T-60 TY1SECST1 (General Services Administration Federal Supply Service), GGG-T-60 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5136-00-555-8439?

There are 5 known substitutes for 5136-00-555-8439: 5136-00-186-6641, 5136-00-186-6642, 5136-00-221-6111 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-T-60 TY1SECST1?

Key specifications for GGG-T-60 TY1SECST1: Thread Direction: RIGHT-HAND; Thread Length: 1.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 1 TYPE AND C SERIES AND 1 STYLE; Thread Forming Method: CUT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-555-8439 still in active supply?

NSN 5136-00-555-8439 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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