PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54520Tap,thread Cutting

Tapco Cutting Tools Inc · NSN 5136-00-580-7355 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-580-7355 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-580-7355. Primary manufacturer part number: 54520.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Length: 1.250 INCHES MINIMUM IN
  • Shank Diameter: 0.381 INCHES MINIMUM IN
  • Thread Structure: REGULAR
  • Material: STEEL OVERALL
  • Starting Chamfer Type: BOTTOMING
  • Length: 0.375 INCHES NOMINAL SQUARE END IN
  • Thread Forming Method: GROUND
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-580-7355, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Tapco Cutting Tools Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 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
NSN5136-00-580-7355
Primary Part Number54520
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerTapco Cutting Tools Inc
StatusCANCELLED
Thread Length1.250 INCHES MINIMUM IN
Shank Diameter0.381 INCHES MINIMUM IN
Thread StructureREGULAR
MaterialSTEEL OVERALL
Starting Chamfer TypeBOTTOMING
Length0.375 INCHES NOMINAL SQUARE END IN
Thread Forming MethodGROUND
Style DesignatorSTRAIGHT FLUTE
Thread Size and Series/type Designator0.312-24 UNF
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Width Across Flats0.238 INCHES NOMINAL IN
Flute Quantity4
Thread DirectionRIGHT-HAND
Thread Pitch Diameters+0.2864 TO 0.2869 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6610-00-010-139512125 INTERCHANGEABLE
Indicator,stick Pos
Transdigm Inc
4820-00-036-15352667003 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
2520-00-080-63664045560 INTERCHANGEABLE
Torque Converter,vehicular
Funk Mfg Co Sub of Deere and Co
3110-00-100-066011211 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Ferguson Mfg and Equipment Co Inc
3110-00-100-3144 INTERCHANGEABLE
Cone and Rollers,tapered Roller
2520-00-149-927024-45700-2045-2 INTERCHANGEABLE
Gerotor Set,transmission
Parker-Hannifin Corporation Dba Pneutronics Div Gas Turbine Fuel Systems Division
5940-00-155-7688502-120 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
4510-00-253-7182 INTERCHANGEABLE
Water Closet
4730-00-277-5683 INTERCHANGEABLE
Elbow,pipe
5342-00-425-0368 INTERCHANGEABLE
Latch,center Uprigh
Cross-Reference Index
Part NumberManufacturer
C54520 Greenfield Industries Inc (USA)
12125 Bendix Corp the Industrial Tools Div South Beloit Plant (USA)
11B5090651-48 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
54520 Tapco (USA)
GGG-T-70 TY1SEBSTC General Services Administration Federal Supply Service (USA)
08410 Regal-Beloit Corporation Div Regal Cutting Tools (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
C54520 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
54520 PRIMARY Tapco Cutting Tools Inc (USA)
A-A-625 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
14124 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
14124 Greenfield Industries Inc (USA)
B94.9 The American Society of Mechanical Engineers (USA)
B94.9 5/16-24 UNF HS G H3 General Services Administration Federal Supply Service (USA)
11211 Osg Usa Inc (USA)
122518 Jarvis Cutting Tools Inc (USA)
10124835 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
6610-00-010-1395INTERCHANGEABLE
INDICATOR,STICK POS
12125
4820-00-036-1535INTERCHANGEABLE
CAP,VALVE
2667003
2520-00-080-6366INTERCHANGEABLE
TORQUE CONVERTER,VEHICULAR
4045560
3110-00-100-0660INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
11211
3110-00-100-3144INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2520-00-149-9270INTERCHANGEABLE
GEROTOR SET,TRANSMISSION
24-45700-2045-2
5940-00-155-7688INTERCHANGEABLE
TERMINAL,LUG
502-120
4510-00-253-7182INTERCHANGEABLE
WATER CLOSET
4730-00-277-5683INTERCHANGEABLE
ELBOW,PIPE
5342-00-425-0368INTERCHANGEABLE
LATCH,CENTER UPRIGH
5360-00-425-0626INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
C46-55
5950-00-443-9667INTERCHANGEABLE
TRANSFORMER,POWER
12125

Frequently Asked Questions

What is NSN 5136-00-580-7355?

NSN 5136-00-580-7355 is a Tap,thread Cutting, manufactured by Tapco Cutting Tools Inc, classified under FSC 5136 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5136-00-580-7355?

NSN 5136-00-580-7355 has 17 cross-referenced part numbers: C54520 (Greenfield Industries Inc), 12125 (Bendix Corp the Industrial Tools Div South Beloit Plant), 11B5090651-48 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), 54520 (Tapco), GGG-T-70 TY1SEBSTC (General Services Administration Federal Supply Service) and 12 more.

What NSN replaces 5136-00-580-7355?

There are 12 known substitutes for 5136-00-580-7355: 6610-00-010-1395, 4820-00-036-1535, 2520-00-080-6366 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54520?

Key specifications for 54520: Thread Length: 1.250 INCHES MINIMUM IN; Shank Diameter: 0.381 INCHES MINIMUM IN; Thread Structure: REGULAR; Material: STEEL OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-580-7355 still in active supply?

NSN 5136-00-580-7355 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.
PartsTable Design LLC · partstable.com