PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6539Die,thread Cutting

Stanley Tools Div of Stanley Works · NSN 5136-01-431-1621 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-01-431-1621 — this item is cataloged by the U.S. Government under National Stock Number 5136-01-431-1621. Primary manufacturer part number: 6539.
Features
  • Die,thread Cutting — FSC 5136
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Width Across Flats: 1.000 INCHES NOMINAL IN
  • Thread Size and Series/type Designator: 0.438-14 UNIFIED NATIONAL COARSE (UNC)
  • 3 verified cross-references
  • Primary manufacturer: Stanley Tools Div of Stanley Works
Applications
  • Applications requiring Steel Overall construction
General Description

The Die,thread Cutting, cataloged under National Stock Number 5136-01-431-1621, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Tools Div of Stanley Works. Government technical data includes 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5136-01-431-1621
Primary Part Number6539
Item NameDie,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerStanley Tools Div of Stanley Works
StatusCANCELLED
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Width Across Flats1.000 INCHES NOMINAL IN
Thread Size and Series/type Designator0.438-14 UNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-010-0759100759 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5935-00-067-5516ST5M1359 INTERCHANGEABLE
Adapter,connector
The Boeing Company Div Defense
5340-00-236-2494 INTERCHANGEABLE
Strap,retaining
3030-00-528-4261 INTERCHANGEABLE
Belt,v
5355-00-614-0400MS91531-3N2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-038-80706539 INTERCHANGEABLE
Disk,valve
Lawler Manufacturing Company, Inc.
5930-01-083-90586539 INTERCHANGEABLE
Switch,limit
Auto Crane Company
5310-01-251-9178340P INTERCHANGEABLE
Nut,slide Tube
O F Mossberg & Sons Inc
5962-01-289-525051065-0039 INTERCHANGEABLE
Microcircuit,digital
Honeywell International Inc Dba Honeywell
6625-01-433-0346YMD-6821 INTERCHANGEABLE
Counter,electronic,digital Reado
Appleton Marine Inc
Cross-Reference Index
Part NumberManufacturer
6539 PRIMARY Stanley Tools Div of Stanley Works (USA)
6539 Irwin Industrial Tool Company (USA)
6539 Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
Related Parts
5305-00-010-0759INTERCHANGEABLE
SCREW,MACHINE
100759
5935-00-067-5516INTERCHANGEABLE
ADAPTER,CONNECTOR
ST5M1359
5340-00-236-2494INTERCHANGEABLE
STRAP,RETAINING
3030-00-528-4261INTERCHANGEABLE
BELT,V
5355-00-614-0400INTERCHANGEABLE
KNOB
MS91531-3N2B
4820-01-038-8070INTERCHANGEABLE
DISK,VALVE
6539
5930-01-083-9058INTERCHANGEABLE
SWITCH,LIMIT
6539
5310-01-251-9178INTERCHANGEABLE
NUT,SLIDE TUBE
340P
5962-01-289-5250INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
51065-0039
6625-01-433-0346INTERCHANGEABLE
COUNTER,ELECTRONIC,DIGITAL READO
YMD-6821
6515-01-561-6226INTERCHANGEABLE
CABLE,MOTOR,SURGICAL DRILL
EA200
5180-01-661-7426INTERCHANGEABLE
TOOL KIT,VEHICLE,TACTICAL
6539

Frequently Asked Questions

What is NSN 5136-01-431-1621?

NSN 5136-01-431-1621 is a Die,thread Cutting, manufactured by Stanley Tools Div of Stanley Works, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-01-431-1621?

NSN 5136-01-431-1621 has 3 cross-referenced part numbers: 6539 (Stanley Tools Div of Stanley Works), 6539 (Irwin Industrial Tool Company), 6539 (Irwin Industrial Tool Company Dba Irwin Construction Accessories).

What NSN replaces 5136-01-431-1621?

There are 12 known substitutes for 5136-01-431-1621: 5305-00-010-0759, 5935-00-067-5516, 5340-00-236-2494 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6539?

Key specifications for 6539: Thread Direction: RIGHT-HAND; Material: STEEL OVERALL; Special Features: HEXAGON SHAPE; Width Across Flats: 1.000 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-01-431-1621 still in active supply?

NSN 5136-01-431-1621 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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