PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

08331Tap,thread Cutting

Regal-Beloit Corporation Div Regal Cutting Tools · NSN 5136-00-261-3262 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-261-3262 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-261-3262. Primary manufacturer part number: 08331.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Direction: RIGHT-HAND
  • Thread Size and Series/type Designator: 0.250-20 UNIFIED NATIONAL COARSE (UNC)
  • Width Across Flats: 0.191 INCHES NOMINAL IN
  • Thread Structure: REGULAR
  • Length: 0.312 INCHES NOMINAL SQUARE END IN
  • Starting Chamfer Type: PLUG
  • Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-261-3262, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Regal-Beloit Corporation Div Regal Cutting Tools. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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
NSN5136-00-261-3262
Primary Part Number08331
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerRegal-Beloit Corporation Div Regal Cutting Tools
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Size and Series/type Designator0.250-20 UNIFIED NATIONAL COARSE (UNC)
Width Across Flats0.191 INCHES NOMINAL IN
Thread StructureREGULAR
Length0.312 INCHES NOMINAL SQUARE END IN
Starting Chamfer TypePLUG
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Forming MethodGROUND
MaterialSTEEL OVERALL
Style DesignatorSPIRAL POINTED FLUTE
Flute Quantity2
Thread Length1.130 INCHES MINIMUM IN
Thread Pitch Diameters+0.2180 TO 0.2185 INCHES IN
Shank Diameter0.318 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8030-00-081-2330 INTERCHANGEABLE
Sealing Compound
5136-00-261-3214 INTERCHANGEABLE
Tap,thread Cutting
5136-00-261-3246 INTERCHANGEABLE
Tap,thread Cutting
5136-00-261-3259 INTERCHANGEABLE
Tap,thread Cutting
5136-00-261-3263 INTERCHANGEABLE
Tap,thread Cutting
5136-00-261-3264 INTERCHANGEABLE
Tap,thread Cutting
6145-00-467-051111753 INTERCHANGEABLE
Cable,radio Frequency
Nexans Aerospace Usa Llc
5136-00-585-7901323323 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
4820-00-590-909711753/11781 INTERCHANGEABLE
Base,pilot,external
Aerco International, Inc. Dba Aerco International Inc
5136-00-889-662554449 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
Cross-Reference Index
Part NumberManufacturer
08331 Regal-Beloit Corporation Div Regal Cutting Tools (USA)
GGG-T-70 TY2SEASTB General Services Administration Federal Supply Service (USA)
B94.9 1/4-20 UNC HS G H2 General Services Administration Federal Supply Service (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1267 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
C57128 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
C57128 Greenfield Industries Inc (USA)
121137 Jarvis Cutting Tools Inc (USA)
B94.9 The American Society of Mechanical Engineers (USA)
11753 Bendix Corp the Industrial Tools Div South Beloit Plant (USA)
Related Parts
8030-00-081-2330INTERCHANGEABLE
SEALING COMPOUND
5136-00-261-3214INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-261-3246INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-261-3259INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-261-3263INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-261-3264INTERCHANGEABLE
TAP,THREAD CUTTING
6145-00-467-0511INTERCHANGEABLE
CABLE,RADIO FREQUENCY
11753
5136-00-585-7901INTERCHANGEABLE
TAP,THREAD CUTTING
323323
4820-00-590-9097INTERCHANGEABLE
BASE,PILOT,EXTERNAL
11753/11781
5136-00-889-6625INTERCHANGEABLE
TAP,THREAD CUTTING
54449
5305-00-989-9513INTERCHANGEABLE
SCREW,MACHINE
5935-01-009-8513INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2315

Frequently Asked Questions

What is NSN 5136-00-261-3262?

NSN 5136-00-261-3262 is a Tap,thread Cutting, manufactured by Regal-Beloit Corporation Div Regal Cutting Tools, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-261-3262?

NSN 5136-00-261-3262 has 10 cross-referenced part numbers: 08331 (Regal-Beloit Corporation Div Regal Cutting Tools), GGG-T-70 TY2SEASTB (General Services Administration Federal Supply Service), B94.9 1/4-20 UNC HS G H2 (General Services Administration Federal Supply Service), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-1267 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5136-00-261-3262?

There are 12 known substitutes for 5136-00-261-3262: 8030-00-081-2330, 5136-00-261-3214, 5136-00-261-3246 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 08331?

Key specifications for 08331: Thread Direction: RIGHT-HAND; Thread Size and Series/type Designator: 0.250-20 UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.191 INCHES NOMINAL IN; Thread Structure: REGULAR. 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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