PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B94.9Tap,thread Cutting

The American Society of Mechanical Engineers · NSN 5136-00-555-8305 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-555-8305 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-555-8305. Primary manufacturer part number: B94.9.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Direction: RIGHT-HAND
  • Thread Structure: REGULAR
  • Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Starting Chamfer Type: TAPER
  • Thread Forming Method: CUT
  • Thread Size and Series/type Designator: 1.375-6 UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-555-8305, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5136-00-555-8305
Primary Part NumberB94.9
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread StructureREGULAR
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Starting Chamfer TypeTAPER
Thread Forming MethodCUT
Thread Size and Series/type Designator1.375-6 UNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT FLUTE
Length1.062 INCHES NOMINAL SQUARE END IN
Width Across Flats0.831 INCHES NOMINAL IN
Flute Quantity4
Thread Pitch Diameters+1.2677 TO 1.2712 INCHES IN
Shank Diameter1.108 INCHES NOMINAL IN
Thread Length3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5136-00-203-6673 INTERCHANGEABLE
Tap,thread Cutting
5136-00-203-7039 INTERCHANGEABLE
Tap,thread Cutting
5136-00-228-1031310435 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5136-00-555-05411018 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5136-00-729-568454321 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
Cross-Reference Index
Part NumberManufacturer
B94.9 The American Society of Mechanical Engineers (USA)
B94.9 1-3/8-6 UNC HS C H4 General Services Administration Federal Supply Service (USA)
GGG-T-60 TY1SEAST1 General Services Administration Federal Supply Service (USA)
GGG-T-60 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5136-00-203-6673INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-203-7039INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-228-1031INTERCHANGEABLE
TAP,THREAD CUTTING
310435
5136-00-555-0541INTERCHANGEABLE
TAP,THREAD CUTTING
1018
5136-00-729-5684INTERCHANGEABLE
TAP,THREAD CUTTING
54321

Frequently Asked Questions

What is NSN 5136-00-555-8305?

NSN 5136-00-555-8305 is a Tap,thread Cutting, manufactured by The American Society of Mechanical Engineers, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-00-555-8305?

NSN 5136-00-555-8305 has 4 cross-referenced part numbers: B94.9 (The American Society of Mechanical Engineers), B94.9 1-3/8-6 UNC HS C H4 (General Services Administration Federal Supply Service), GGG-T-60 TY1SEAST1 (General Services Administration Federal Supply Service), GGG-T-60 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5136-00-555-8305?

There are 5 known substitutes for 5136-00-555-8305: 5136-00-203-6673, 5136-00-203-7039, 5136-00-228-1031 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B94.9?

Key specifications for B94.9: Thread Direction: RIGHT-HAND; Thread Structure: REGULAR; Overall Length: 6.062 INCHES NOMINAL IN; Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-555-8305 still in active supply?

NSN 5136-00-555-8305 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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