PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3947-12 12Drill,twist

Cleveland Twist Drill Co Div of Greenfield Industries Inc · NSN 5133-00-241-6178 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-241-6178 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-241-6178. Primary manufacturer part number: 3947-12 12.
Features
  • Drill,twist — FSC 5133
  • Flute Length: 2.312 INCHES NOMINAL IN
  • Point Angle: 135.0 DEGREES NOMINAL
  • Nominal Cutting Diameter: 0.1875 INCHES IN
  • Material: STEEL OVERALL
  • Specification/standard Data: 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Cutting Rotation Direction: RIGHT-HAND
  • Shank Diameter: 0.188 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-00-241-6178, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Cleveland Twist Drill Co Div of Greenfield Industries Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN5133-00-241-6178
Primary Part Number3947-12 12
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerCleveland Twist Drill Co Div of Greenfield Industries Inc
StatusCANCELLED
Flute Length2.312 INCHES NOMINAL IN
Point Angle135.0 DEGREES NOMINAL
Nominal Cutting Diameter0.1875 INCHES IN
MaterialSTEEL OVERALL
Specification/standard Data80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Cutting Rotation DirectionRIGHT-HAND
Shank Diameter0.188 INCHES NOMINAL IN
Cutting End StyleGENERAL PURPOSE
Nondefinitive Spec/std DataB TYPE AND 12 SIZE
Flute Quantity2
Shank StyleSTRAIGHT ROUND
Point TypeSPLIT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
7510-00-224-6732 INTERCHANGEABLE
Ink,marking Stencil
4820-00-261-460559112 INTERCHANGEABLE
Valve,flow Control
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
4730-00-278-3553390035PC795 INTERCHANGEABLE
Nipple,pipe
Naval Sea Systems Command
2835-00-409-2864 INTERCHANGEABLE
Cup
9540-00-540-6023277515 INTERCHANGEABLE
Beam,structural
Aluminum Co of America
4720-00-555-3499 INTERCHANGEABLE
Hose,nonmetallic
5945-00-966-84526-103 INTERCHANGEABLE
Chopper,electronic
Nextiraone Solutions Llc
9540-00-988-8623 INTERCHANGEABLE
Beam,structural
5310-01-055-383517612 INTERCHANGEABLE
Nut,plain,hexagon
Triumph Controls, Llc Dba Triumph Controls, Llc
6150-01-192-558017612 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
3947-12 12 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
17612 Lear Siegler Inc National Twist Drill and Tool Div (USA)
NAS907 TYBSZ12 General Services Administration Federal Supply Service (USA)
NAS907 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
06375 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
59112 Precision Twist Drill Co (USA)
501-12 12 Precision Twist Drill Co (USA)
Related Parts
7510-00-224-6732INTERCHANGEABLE
INK,MARKING STENCIL
4820-00-261-4605INTERCHANGEABLE
VALVE,FLOW CONTROL
59112
4730-00-278-3553INTERCHANGEABLE
NIPPLE,PIPE
390035PC795
2835-00-409-2864INTERCHANGEABLE
CUP
9540-00-540-6023INTERCHANGEABLE
BEAM,STRUCTURAL
277515
4720-00-555-3499INTERCHANGEABLE
HOSE,NONMETALLIC
5945-00-966-8452INTERCHANGEABLE
CHOPPER,ELECTRONIC
6-103
9540-00-988-8623INTERCHANGEABLE
BEAM,STRUCTURAL
5310-01-055-3835INTERCHANGEABLE
NUT,PLAIN,HEXAGON
17612
6150-01-192-5580INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17612
5310-01-396-0420INTERCHANGEABLE
WASHER,KEY
17612
5950-01-486-3273INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
17612

Frequently Asked Questions

What is NSN 5133-00-241-6178?

NSN 5133-00-241-6178 is a Drill,twist, manufactured by Cleveland Twist Drill Co Div of Greenfield Industries Inc, classified under FSC 5133 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5133-00-241-6178?

NSN 5133-00-241-6178 has 7 cross-referenced part numbers: 3947-12 12 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 17612 (Lear Siegler Inc National Twist Drill and Tool Div), NAS907 TYBSZ12 (General Services Administration Federal Supply Service), NAS907 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 06375 (Cleveland Twist Drill Co Div of Greenfield Industries Inc) and 2 more.

What NSN replaces 5133-00-241-6178?

There are 12 known substitutes for 5133-00-241-6178: 7510-00-224-6732, 4820-00-261-4605, 4730-00-278-3553 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3947-12 12?

Key specifications for 3947-12 12: Flute Length: 2.312 INCHES NOMINAL IN; Point Angle: 135.0 DEGREES NOMINAL; Special Features: AIRCRAFT EXTENSION TYPE; WIRE SIZE 12; Nominal Cutting Diameter: 0.1875 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5133-00-241-6178 still in active supply?

NSN 5133-00-241-6178 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