PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12FRUTap,thread Cutting

Stanley Engineered Fastening Llc · NSN 5136-00-370-4066 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-370-4066 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-370-4066. Primary manufacturer part number: 12FRU.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Forming Method: GROUND
  • Style Designator: STRAIGHT FLUTE
  • Flute Quantity: 4
  • Starting Chamfer Type: PLUG
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Material: STEEL OVERALL
  • Thread Size and Series/type Designator: 0.750-16 STI
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-370-4066, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5136-00-370-4066
Primary Part Number12FRU
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusCANCELLED
Thread Forming MethodGROUND
Style DesignatorSTRAIGHT FLUTE
Flute Quantity4
Starting Chamfer TypePLUG
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
MaterialSTEEL OVERALL
Thread Size and Series/type Designator0.750-16 STI
Width Across Flats0.489 INCHES NOMINAL IN
Thread StructureREGULAR
Departure From Cited DesignatorAS MODIFIED BY THREAD PITCH DIAMETERS
Thread Pitch Diameters+0.7690 TO 0.7700 INCHES IN
Thread Length2.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5136-00-104-4147 INTERCHANGEABLE
Tap,thread Cutting
5136-00-104-4158 INTERCHANGEABLE
Tap,thread Cutting
5136-00-104-4159 INTERCHANGEABLE
Tap,thread Cutting
5136-00-134-75426CRU INTERCHANGEABLE
Tap,thread Cutting
Stanley Engineered Fastening Llc
5136-00-255-994841T1368-1895 INTERCHANGEABLE
Tap,thread Cutting
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5136-00-370-40407CRU INTERCHANGEABLE
Tap,thread Cutting
Stanley Engineered Fastening Llc
5136-00-370-4041 INTERCHANGEABLE
Tap,thread Cutting
5136-00-370-4064 INTERCHANGEABLE
Tap,thread Cutting
5136-00-370-4065 INTERCHANGEABLE
Tap,thread Cutting
5136-00-370-4067 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
12FRU Stanley Engineered Fastening Llc (USA)
MIL-T-21309 TY1CL2 General Services Administration Federal Supply Service (USA)
A-A-59158 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-T-21309 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-59158 TY1CL2 General Services Administration Federal Supply Service (USA)
8193-12 Stanley Engineered Fastening Llc (USA)
Related Parts
5136-00-104-4147INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-104-4158INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-104-4159INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-134-7542INTERCHANGEABLE
TAP,THREAD CUTTING
6CRU
5136-00-255-9948INTERCHANGEABLE
TAP,THREAD CUTTING
41T1368-1895
5136-00-370-4040INTERCHANGEABLE
TAP,THREAD CUTTING
7CRU
5136-00-370-4041INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-370-4064INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-370-4065INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-370-4067INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-825-7146INTERCHANGEABLE
TAP,THREAD CUTTING
6FRU
5136-00-987-9084INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 5136-00-370-4066?

NSN 5136-00-370-4066 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-00-370-4066?

NSN 5136-00-370-4066 has 6 cross-referenced part numbers: 12FRU (Stanley Engineered Fastening Llc), MIL-T-21309 TY1CL2 (General Services Administration Federal Supply Service), A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A-A-59158 TY1CL2 (General Services Administration Federal Supply Service) and 1 more.

What NSN replaces 5136-00-370-4066?

There are 12 known substitutes for 5136-00-370-4066: 5136-00-104-4147, 5136-00-104-4158, 5136-00-104-4159 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12FRU?

Key specifications for 12FRU: Thread Forming Method: GROUND; Style Designator: STRAIGHT FLUTE; Flute Quantity: 4; Starting Chamfer Type: PLUG. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-370-4066 still in active supply?

NSN 5136-00-370-4066 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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