PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54663Tap,thread Cutting

Tapco Cutting Tools Inc · NSN 5136-00-580-7156 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-580-7156 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-580-7156. Primary manufacturer part number: 54663.
Features
  • Tap,thread Cutting — FSC 5136
  • Thread Length: 1.660 INCHES MINIMUM IN
  • Thread Direction: RIGHT-HAND
  • Starting Chamfer Type: BOTTOMING
  • Length: 0.406 INCHES NOMINAL SQUARE END IN
  • Thread Size and Series/type Designator: 0.438-20 UNF
  • Width Across Flats: 0.242 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Tap,thread Cutting, cataloged under National Stock Number 5136-00-580-7156, 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 19 commercial cross-references from 16 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
NSN5136-00-580-7156
Primary Part Number54663
Item NameTap,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerTapco Cutting Tools Inc
StatusCANCELLED
Thread Length1.660 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Starting Chamfer TypeBOTTOMING
Length0.406 INCHES NOMINAL SQUARE END IN
Thread Size and Series/type Designator0.438-20 UNF
Width Across Flats0.242 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Thread StructureREGULAR
Style DesignatorSTRAIGHT FLUTE
Flute Quantity4
Specification/standard Data05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Forming MethodGROUND
Thread Pitch Diameters+0.4060 TO 0.4065 INCHES IN
Shank Diameter0.367 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-167-820811223 INTERCHANGEABLE
Seal,plain
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4730-00-173-721811-223 INTERCHANGEABLE
Elbow,overflow
Pakon Inc Dba Impak Division
5136-00-204-1644C54211 INTERCHANGEABLE
Tap,thread Cutting
Greenfield Industries Inc
5136-00-228-099554661 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5945-00-258-3072NA13471 INTERCHANGEABLE
Relay,electromagnetic
Meggitt (new Hampshire), Inc
5310-00-262-351912Z22PC249 INTERCHANGEABLE
Washer,lock
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-335-1620 INTERCHANGEABLE
Contact Assembly,electrical
4320-00-388-992022286 INTERCHANGEABLE
Sleeve,shaft,pump
Industrial Technologies and Services Llc
3040-00-393-452711223 INTERCHANGEABLE
Collar,shaft
Rexnord Industries, Llc Div Couplings Division
5935-00-421-28101-480304-0 INTERCHANGEABLE
Connector Body,plug,electrical
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
C54663 Greenfield Industries Inc (USA)
54663 Tapco (USA)
316321 Irwin Industrial Tool Company (USA)
T433 1111 Sutton Tools Pty Ltd (AUS)
B94.9 The American Society of Mechanical Engineers (USA)
GGG-T-70 TY1SEBSTC General Services Administration Federal Supply Service (USA)
316321 Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
08494 Regal-Beloit Corporation Div Regal Cutting Tools (USA)
11B5090651-60 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
54663 PRIMARY Tapco Cutting Tools Inc (USA)
14248 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
GGG-T-70 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
316321 PRIMARY Stanley Tools Div of Stanley Works (USA)
14248 Greenfield Industries Inc (USA)
C54663 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
B94.9 7/16-20 UNF HS G H3 General Services Administration Federal Supply Service (USA)
124011 Jarvis Cutting Tools Inc (USA)
11223 Osg Usa Inc (USA)
A-A-625 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5330-00-167-8208INTERCHANGEABLE
SEAL,PLAIN
11223
4730-00-173-7218INTERCHANGEABLE
ELBOW,OVERFLOW
11-223
5136-00-204-1644INTERCHANGEABLE
TAP,THREAD CUTTING
C54211
5136-00-228-0995INTERCHANGEABLE
TAP,THREAD CUTTING
54661
5945-00-258-3072INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
NA13471
5310-00-262-3519INTERCHANGEABLE
WASHER,LOCK
12Z22PC249
5999-00-335-1620INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
4320-00-388-9920INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
22286
3040-00-393-4527INTERCHANGEABLE
COLLAR,SHAFT
11223
5935-00-421-2810INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
1-480304-0
5930-00-482-0357INTERCHANGEABLE
SWITCH,ROTARY
10177144-2
5985-00-507-3482INTERCHANGEABLE
REFLECTOR SECTION,ANTENNA
SC-B-34582

Frequently Asked Questions

What is NSN 5136-00-580-7156?

NSN 5136-00-580-7156 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 5136-00-580-7156?

NSN 5136-00-580-7156 has 19 cross-referenced part numbers: C54663 (Greenfield Industries Inc), 54663 (Tapco), 316321 (Irwin Industrial Tool Company), T433 1111 (Sutton Tools Pty Ltd), B94.9 (The American Society of Mechanical Engineers) and 14 more.

What NSN replaces 5136-00-580-7156?

There are 12 known substitutes for 5136-00-580-7156: 5330-00-167-8208, 4730-00-173-7218, 5136-00-204-1644 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54663?

Key specifications for 54663: Thread Length: 1.660 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND; Overall Length: 3.156 INCHES NOMINAL IN; Starting Chamfer Type: BOTTOMING. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5136-00-580-7156 still in active supply?

NSN 5136-00-580-7156 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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