PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B94.9 2-56 UNC HS G H1Tap,thread Cutting

General Services Administration Federal Supply Service · NSN 5136-00-261-3209 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-261-3209 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-261-3209. Primary manufacturer part number: B94.9 2-56 UNC HS G H1.
Features
  • Tap,thread Cutting — FSC 5136
  • Shank Diameter: 0.141 INCHES NOMINAL IN
  • Starting Chamfer Type: PLUG
  • Thread Forming Method: GROUND
  • Style Designator: SPIRAL POINTED FLUTE
  • Length: 0.188 INCHES NOMINAL SQUARE END IN
  • Width Across Flats: 0.110 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 0.086-56 UNIFIED NATIONAL COARSE (UNC)
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-261-3209, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5136-00-261-3209
Primary Part NumberB94.9 2-56 UNC HS G H1
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Shank Diameter0.141 INCHES NOMINAL IN
Starting Chamfer TypePLUG
Thread Forming MethodGROUND
Style DesignatorSPIRAL POINTED FLUTE
Length0.188 INCHES NOMINAL SQUARE END IN
Width Across Flats0.110 INCHES NOMINAL IN
Thread Size and Series/type Designator0.086-56 UNIFIED NATIONAL COARSE (UNC)
Thread StructureREGULAR
Flute Quantity2
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Length0.438 INCHES NOMINAL IN
Thread Pitch Diameters+0.0744 TO 0.0749 INCHES IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-111-326810823 INTERCHANGEABLE
Sleeve,shaft,pump
Rps-Fl, Inc. Dba Rps Inc
5910-00-502-4016562CX5EBA102EC151K INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Cera-Mite Corp
1630-00-570-0899 INTERCHANGEABLE
Shuttle and Sleeve
5310-00-775-5245283009-001 INTERCHANGEABLE
Washer,recessed
Northrop Grumman Systems Corporation
5136-00-889-6610 INTERCHANGEABLE
Tap,thread Cutting
5136-00-889-6617 INTERCHANGEABLE
Tap,thread Cutting
5136-00-889-6619 INTERCHANGEABLE
Tap,thread Cutting
9150-01-087-223451204 PS FLUID NO. 20631 INTERCHANGEABLE
Hydraulic Fluid,power Steering
Shell Oil Co
4130-01-110-500110823 INTERCHANGEABLE
Oil Safety Switch
Hdt Expeditionary Systems Inc
4730-01-222-96864202-2-1/4T INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Spraying Systems Co
Cross-Reference Index
Part NumberManufacturer
B94.9 2-56 UNC HS G H1 General Services Administration Federal Supply Service (USA)
10823 Bendix Corp the Industrial Tools Div South Beloit Plant (USA)
C57029 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B94.9 The American Society of Mechanical Engineers (USA)
GGG-T-70 TY2SEASTB General Services Administration Federal Supply Service (USA)
Related Parts
4320-00-111-3268INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
10823
5910-00-502-4016INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
562CX5EBA102EC151K
1630-00-570-0899INTERCHANGEABLE
SHUTTLE AND SLEEVE
5310-00-775-5245INTERCHANGEABLE
WASHER,RECESSED
283009-001
5136-00-889-6610INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-889-6617INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-889-6619INTERCHANGEABLE
TAP,THREAD CUTTING
9150-01-087-2234INTERCHANGEABLE
HYDRAULIC FLUID,POWER STEERING
51204 PS FLUID NO. 20631
4130-01-110-5001INTERCHANGEABLE
OIL SAFETY SWITCH
10823
4730-01-222-9686INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
4202-2-1/4T
5306-01-417-0003INTERCHANGEABLE
BOLT,MACHINE
10823
6515-01-601-2932INTERCHANGEABLE
CIRCUIT,VENTILATOR,MEDICAL
10823

Frequently Asked Questions

What is NSN 5136-00-261-3209?

NSN 5136-00-261-3209 is a Tap,thread Cutting, manufactured by General Services Administration Federal Supply Service, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-261-3209?

NSN 5136-00-261-3209 has 6 cross-referenced part numbers: B94.9 2-56 UNC HS G H1 (General Services Administration Federal Supply Service), 10823 (Bendix Corp the Industrial Tools Div South Beloit Plant), C57029 (Kennametal Inc. Div Kennametal Industrial Products Group), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), B94.9 (The American Society of Mechanical Engineers) and 1 more.

What NSN replaces 5136-00-261-3209?

There are 12 known substitutes for 5136-00-261-3209: 4320-00-111-3268, 5910-00-502-4016, 1630-00-570-0899 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B94.9 2-56 UNC HS G H1?

Key specifications for B94.9 2-56 UNC HS G H1: Shank Diameter: 0.141 INCHES NOMINAL IN; Overall Length: 1.750 INCHES NOMINAL IN; Starting Chamfer Type: PLUG; Thread Forming Method: GROUND. 15 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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