PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T128Tap,thread Cutting

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5136-01-520-6155 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-01-520-6155 — this item is cataloged by the U.S. Government under National Stock Number 5136-01-520-6155. Primary manufacturer part number: T128.
Features
  • Tap,thread Cutting — FSC 5136
  • Starting Chamfer Type: PLUG
  • Thread Structure: REGULAR
  • Thread Direction: RIGHT-HAND
  • Flute Quantity: 4
  • Thread Forming Method: GROUND
  • Thread Length: 2.500 INCHES MINIMUM IN
  • Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-01-520-6155, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5136-01-520-6155
Primary Part NumberT128
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Starting Chamfer TypePLUG
Thread StructureREGULAR
Thread DirectionRIGHT-HAND
Flute Quantity4
Thread Forming MethodGROUND
Thread Length2.500 INCHES MINIMUM IN
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorSTRAIGHT FLUTE
Shank Diameter0.800 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Departure From Cited DesignatorAS MODIFIED BY THREAD PITCH DIAMETERS
Thread Size and Series/type Designator0.875-14 UNF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5945-00-476-0503T128 INTERCHANGEABLE
Relay,electromagnetic
Transico, Inc. Dba Eeco Switch
2920-00-524-9578XH8011 INTERCHANGEABLE
Lead,ignition,engine
Heale Manufacturing Co Llc
3439-00-542-0453 INTERCHANGEABLE
Tip,electric Soldering Iron
5330-01-097-8862 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
T128 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B94.9 The American Society of Mechanical Engineers (USA)
FRS T128 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5945-00-476-0503INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
T128
2920-00-524-9578INTERCHANGEABLE
LEAD,IGNITION,ENGINE
XH8011
3439-00-542-0453INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
5330-01-097-8862INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5136-01-520-6155?

NSN 5136-01-520-6155 is a Tap,thread Cutting, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-01-520-6155?

NSN 5136-01-520-6155 has 3 cross-referenced part numbers: T128 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B94.9 (The American Society of Mechanical Engineers), FRS T128 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5136-01-520-6155?

There are 4 known substitutes for 5136-01-520-6155: 5945-00-476-0503, 2920-00-524-9578, 3439-00-542-0453 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T128?

Key specifications for T128: Starting Chamfer Type: PLUG; Thread Structure: REGULAR; Thread Direction: RIGHT-HAND; Flute Quantity: 4. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-01-520-6155 still in active supply?

NSN 5136-01-520-6155 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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