PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-T-21309Tap,thread Cutting

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5136-00-825-7096 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-825-7096 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-825-7096. Primary manufacturer part number: MIL-T-21309.
Features
  • Tap,thread Cutting — FSC 5136
  • Style Designator: STRAIGHT FLUTE
  • Length: 0.500 INCHES NOMINAL SQUARE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS
  • Specification/standard Data: 0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Width Across Flats: 0.322 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Flute Quantity: 4
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-825-7096, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 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
NSN5136-00-825-7096
Primary Part NumberMIL-T-21309
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Style DesignatorSTRAIGHT FLUTE
Length0.500 INCHES NOMINAL SQUARE END IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Specification/standard Data0U583-SAE AS59158 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Width Across Flats0.322 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Flute Quantity4
Thread StructureREGULAR
Thread Forming MethodGROUND
Thread Size and Series/type Designator0.500-20 STI
Starting Chamfer TypePLUG
Thread Length1.656 INCHES NOMINAL IN
Thread Pitch Diameters+0.5335 TO 0.5340 INCHES IN
Shank Diameter0.429 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-163-391411938 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
4720-00-200-0368 INTERCHANGEABLE
Hose,nonmetallic
5310-00-209-0786 INTERCHANGEABLE
Washer,lock
6810-00-300-6150 INTERCHANGEABLE
Dimethylglyoxime
2930-00-364-7296193-0008 INTERCHANGEABLE
Gage
Cummins Power Generation Inc.
4310-00-371-6610 INTERCHANGEABLE
Ring,piston
3040-00-374-552510506-20061 INTERCHANGEABLE
Shaft,hinged Arm
Johnson C S Co Inc
4730-00-374-612719-24 INTERCHANGEABLE
Strainer Element,sediment
Tankcraft Corp
2990-00-478-83391938 INTERCHANGEABLE
Cylinder,regulating Valve
Imi Cash Valve Inc
6250-00-513-26267-82 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
Cross-Reference Index
Part NumberManufacturer
MIL-T-21309 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS59158 Society of Automotive Engineers Inc (USA)
193-8 Stanley Engineered Fastening Llc (USA)
A-A-59158 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS59158 TY1CL1 General Services Administration Federal Supply Service (USA)
AS59158 Sae International Dba Sae International (USA)
MIL-T-21309 TY1CL1 General Services Administration Federal Supply Service (USA)
8FPB Stanley Engineered Fastening Llc (USA)
1193-8 Stanley Engineered Fastening Llc (USA)
A-A-59158 TY1CL1 General Services Administration Federal Supply Service (USA)
Related Parts
5950-00-163-3914INTERCHANGEABLE
TRANSFORMER,POWER
11938
4720-00-200-0368INTERCHANGEABLE
HOSE,NONMETALLIC
5310-00-209-0786INTERCHANGEABLE
WASHER,LOCK
6810-00-300-6150INTERCHANGEABLE
DIMETHYLGLYOXIME
2930-00-364-7296INTERCHANGEABLE
GAGE
193-0008
4310-00-371-6610INTERCHANGEABLE
RING,PISTON
3040-00-374-5525INTERCHANGEABLE
SHAFT,HINGED ARM
10506-20061
4730-00-374-6127INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
19-24
2990-00-478-8339INTERCHANGEABLE
CYLINDER,REGULATING VALVE
1938
6250-00-513-2626INTERCHANGEABLE
LAMPHOLDER
7-82
5950-00-583-4243INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
15641
6685-00-854-9141INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377TAS04B10000

Frequently Asked Questions

What is NSN 5136-00-825-7096?

NSN 5136-00-825-7096 is a Tap,thread Cutting, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-00-825-7096?

NSN 5136-00-825-7096 has 10 cross-referenced part numbers: MIL-T-21309 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS59158 (Society of Automotive Engineers Inc), 193-8 (Stanley Engineered Fastening Llc), A-A-59158 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AS59158 TY1CL1 (General Services Administration Federal Supply Service) and 5 more.

What NSN replaces 5136-00-825-7096?

There are 12 known substitutes for 5136-00-825-7096: 5950-00-163-3914, 4720-00-200-0368, 5310-00-209-0786 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-T-21309?

Key specifications for MIL-T-21309: Style Designator: STRAIGHT FLUTE; Overall Length: 3.594 INCHES NOMINAL IN; Length: 0.500 INCHES NOMINAL SQUARE END IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-825-7096 still in active supply?

NSN 5136-00-825-7096 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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