PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50250BTYPE1Tap,thread Cutting

Department of the Air Force · NSN 5136-00-187-8008 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-187-8008 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-187-8008. Primary manufacturer part number: 50250BTYPE1.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Structure: REGULAR
  • Shank Diameter: 0.697 INCHES NOMINAL IN
  • Thread Length: 2.219 INCHES NOMINAL IN
  • Thread Length: 2.219 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 1 TYPE AND D SERIES AND A STYLE
  • Thread Size and Series/type Designator: 0.875-20 UNEF
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-187-8008, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-187-8008
Primary Part Number50250BTYPE1
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Thread StructureREGULAR
Shank Diameter0.697 INCHES NOMINAL IN
Thread Length2.219 INCHES NOMINAL IN
Thread Length2.219 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND D SERIES AND A STYLE
Thread Size and Series/type Designator0.875-20 UNEF
MaterialSTEEL OVERALL
Flute Quantity4
Thread Forming MethodGROUND
Style DesignatorSTRAIGHT FLUTE
Thread Size and Series/type Designator0.875-20 UNEF
MaterialSTEEL OVERALL
Flute Quantity4
Width Across Flats0.523 INCHES NOMINAL IN
Thread StructureREGULAR
Starting Chamfer TypeTAPER
Length0.750 INCHES NOMINAL SQUARE END IN
Nondefinitive Spec/std Data1 TYPE AND D SERIES AND A STYLE
Shank Diameter0.697 INCHES NOMINAL IN
Starting Chamfer TypeTAPER
Width Across Flats0.523 INCHES NOMINAL IN
Style DesignatorSTRAIGHT FLUTE
Thread DirectionRIGHT-HAND
Length0.750 INCHES NOMINAL SQUARE END IN
Thread Pitch Diameters+0.8430 TO 0.8435 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5136-00-187-8001 INTERCHANGEABLE
Tap,thread Cutting
5136-00-187-8004 INTERCHANGEABLE
Tap,thread Cutting
5136-00-187-8005 INTERCHANGEABLE
Tap,thread Cutting
5136-00-187-8012 INTERCHANGEABLE
Tap,thread Cutting
5136-00-187-8014 INTERCHANGEABLE
Tap,thread Cutting
5136-00-187-8025 INTERCHANGEABLE
Tap,thread Cutting
5136-00-187-8031 INTERCHANGEABLE
Tap,thread Cutting
5136-00-221-6112 INTERCHANGEABLE
Tap,thread Cutting
5136-00-228-099654737 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5136-00-262-1492 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
50250BTYPE1 Department of the Air Force (USA)
GGG-T-70 TY1SEDSTA General Services Administration Federal Supply Service (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5136-00-187-8001INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-187-8004INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-187-8005INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-187-8012INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-187-8014INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-187-8025INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-187-8031INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-221-6112INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-228-0996INTERCHANGEABLE
TAP,THREAD CUTTING
54737
5136-00-262-1492INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-262-3961INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-262-3970INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5136-00-187-8008?

NSN 5136-00-187-8008 is a Tap,thread Cutting, manufactured by Department of the Air Force, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-187-8008?

NSN 5136-00-187-8008 has 3 cross-referenced part numbers: 50250BTYPE1 (Department of the Air Force), GGG-T-70 TY1SEDSTA (General Services Administration Federal Supply Service), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5136-00-187-8008?

There are 12 known substitutes for 5136-00-187-8008: 5136-00-187-8001, 5136-00-187-8004, 5136-00-187-8005 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50250BTYPE1?

Key specifications for 50250BTYPE1: Thread Structure: REGULAR; Shank Diameter: 0.697 INCHES NOMINAL IN; Thread Length: 2.219 INCHES NOMINAL IN; Thread Length: 2.219 INCHES NOMINAL IN. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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