PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T122ATap,thread Cutting

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5136-00-177-6987 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-177-6987 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-177-6987. Primary manufacturer part number: T122A.
Features
  • Tap,thread Cutting — FSC 5136
  • Starting Chamfer Type: BOTTOMING
  • Thread Length: 2.000 INCHES NOMINAL IN
  • Flute Quantity: 4
  • Thread Size and Series/type Designator: 0.750-10 UNIFIED NATIONAL COARSE (UNC)
  • Shank Diameter: 0.590 INCHES NOMINAL IN
  • Starting Chamfer Type: BOTTOMING
  • 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 5136-00-177-6987, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 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
NSN5136-00-177-6987
Primary Part NumberT122A
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 TypeBOTTOMING
Thread Length2.000 INCHES NOMINAL IN
Flute Quantity4
Thread Size and Series/type Designator0.750-10 UNIFIED NATIONAL COARSE (UNC)
Shank Diameter0.590 INCHES NOMINAL IN
Starting Chamfer TypeBOTTOMING
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Length0.688 INCHES NOMINAL SQUARE END IN
Style DesignatorSTRAIGHT FLUTE
Thread Size and Series/type Designator0.750-10 UNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Flute Quantity4
Width Across Flats0.442 INCHES NOMINAL IN
Thread StructureREGULAR
Shank Diameter0.590 INCHES NOMINAL IN
Style DesignatorSTRAIGHT FLUTE
Thread Length2.000 INCHES NOMINAL IN
Width Across Flats0.442 INCHES NOMINAL IN
Thread StructureREGULAR
Thread Pitch Diameters+0.6860 TO 0.6865 INCHES IN
Length0.688 INCHES NOMINAL SQUARE END IN
Thread DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5136-00-203-667154839 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5950-00-789-7962924A214 INTERCHANGEABLE
Reactor
Dyna-Empire Inc
7025-01-437-1516 INTERCHANGEABLE
Mouse,data Entry
3110-01-460-8449T107 INTERCHANGEABLE
Ball,bearing
Unertl John Optical Co Inc
2530-01-506-4306 INTERCHANGEABLE
Guide,wedge,spring Brake
Cross-Reference Index
Part NumberManufacturer
B94.9 3/4-10 UNC LH HS G H3 General Services Administration Federal Supply Service (USA)
14454 Greenfield Industries Inc (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
14454 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
B94.9 The American Society of Mechanical Engineers (USA)
T122A PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
FRS T122 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
T122 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
GGG-T-70 TY1SEASTC General Services Administration Federal Supply Service (USA)
Related Parts
5136-00-203-6671INTERCHANGEABLE
TAP,THREAD CUTTING
54839
5950-00-789-7962INTERCHANGEABLE
REACTOR
924A214
7025-01-437-1516INTERCHANGEABLE
MOUSE,DATA ENTRY
3110-01-460-8449INTERCHANGEABLE
BALL,BEARING
T107
2530-01-506-4306INTERCHANGEABLE
GUIDE,WEDGE,SPRING BRAKE

Frequently Asked Questions

What is NSN 5136-00-177-6987?

NSN 5136-00-177-6987 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 5136-00-177-6987?

NSN 5136-00-177-6987 has 9 cross-referenced part numbers: B94.9 3/4-10 UNC LH HS G H3 (General Services Administration Federal Supply Service), 14454 (Greenfield Industries Inc), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), 14454 (Kennametal Inc. Div Kennametal Industrial Products Group), B94.9 (The American Society of Mechanical Engineers) and 4 more.

What NSN replaces 5136-00-177-6987?

There are 5 known substitutes for 5136-00-177-6987: 5136-00-203-6671, 5950-00-789-7962, 7025-01-437-1516 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T122A?

Key specifications for T122A: Starting Chamfer Type: BOTTOMING; Thread Length: 2.000 INCHES NOMINAL IN; Flute Quantity: 4; Thread Size and Series/type Designator: 0.750-10 UNIFIED NATIONAL COARSE (UNC). 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-177-6987 still in active supply?

NSN 5136-00-177-6987 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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