PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23506Countersink

Morse Cutting Tools · NSN 5133-00-239-0786 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-239-0786 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-239-0786. Primary manufacturer part number: 23506.
Features
  • Countersink — FSC 5133
  • Hardness Rating: 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM
  • Cutting End Style: STRAIGHT FLUTE POINT END
  • Material: STEEL OVERALL
  • Cutting Rotation Direction: RIGHT-HAND
  • Specification/standard Data: 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Shank Diameter: 0.250 INCHES NOMINAL IN
  • Shank Style: STRAIGHT ROUND
Applications
  • Applications requiring Steel Overall construction
General Description

The Countersink, cataloged under National Stock Number 5133-00-239-0786, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Morse Cutting Tools. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5133-00-239-0786
Primary Part Number23506
Item NameCountersink
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerMorse Cutting Tools
StatusCANCELLED
Hardness Rating62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM
Cutting End StyleSTRAIGHT FLUTE POINT END
MaterialSTEEL OVERALL
Cutting Rotation DirectionRIGHT-HAND
Specification/standard Data05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Shank Diameter0.250 INCHES NOMINAL IN
Shank StyleSTRAIGHT ROUND
Body Diameter0.375 INCHES NOMINAL IN
Flute Quantity3
Included Angle82.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5133-00-255-4060 INTERCHANGEABLE
Countersink
5133-00-293-1902 INTERCHANGEABLE
Countersink
5331-00-494-275923506 INTERCHANGEABLE
O-Ring
General Fire Extinguisher Corp
5950-00-646-372823506 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
6110-01-260-718350261-37 INTERCHANGEABLE
Parts Kit,controller
Wbparts Inc
2920-01-623-280423506 INTERCHANGEABLE
Terminal Block,electrical
Gaylord Marine Services, Inc.
5975-01-731-964623506 INTERCHANGEABLE
Cable Nipple,electrical
Waytek Inc
Cross-Reference Index
Part NumberManufacturer
23506 Morse Cutting Tools (USA)
23506 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
B94.2 The American Society of Mechanical Engineers (USA)
GGG-C-613 TY4CLASZ3/8 General Services Administration Federal Supply Service (USA)
GGG-C-613 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1750 Morse Cutting Tools (USA)
1750 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
Related Parts
5133-00-255-4060INTERCHANGEABLE
COUNTERSINK
5133-00-293-1902INTERCHANGEABLE
COUNTERSINK
5331-00-494-2759INTERCHANGEABLE
O-RING
23506
5950-00-646-3728INTERCHANGEABLE
TRANSFORMER,POWER
23506
6110-01-260-7183INTERCHANGEABLE
PARTS KIT,CONTROLLER
50261-37
2920-01-623-2804INTERCHANGEABLE
TERMINAL BLOCK,ELECTRICAL
23506
5975-01-731-9646INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
23506

Frequently Asked Questions

What is NSN 5133-00-239-0786?

NSN 5133-00-239-0786 is a Countersink, manufactured by Morse Cutting Tools, classified under FSC 5133 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5133-00-239-0786?

NSN 5133-00-239-0786 has 7 cross-referenced part numbers: 23506 (Morse Cutting Tools), 23506 (Morse Cutting Tools Div of Morse Cutting Tool Corp), B94.2 (The American Society of Mechanical Engineers), GGG-C-613 TY4CLASZ3/8 (General Services Administration Federal Supply Service), GGG-C-613 (Federal Specifications Promulgated by General Services Administration Washington DC) and 2 more.

What NSN replaces 5133-00-239-0786?

There are 7 known substitutes for 5133-00-239-0786: 5133-00-255-4060, 5133-00-293-1902, 5331-00-494-2759 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23506?

Key specifications for 23506: Hardness Rating: 62.0 ROCKWELL C MINIMUM AND 65.0 ROCKWELL C MAXIMUM; Overall Length: 1.438 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Cutting End Style: STRAIGHT FLUTE POINT END; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5133-00-239-0786 still in active supply?

NSN 5133-00-239-0786 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.
PartsTable Design LLC · partstable.com