PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3947-12 1/8Drill,twist

Cleveland Twist Drill Co Div of Greenfield Industries Inc · NSN 5133-01-046-4975 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-046-4975 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-046-4975. Primary manufacturer part number: 3947-12 1/8.
Features
  • Drill,twist — FSC 5133
  • Shank Diameter: 0.125 INCHES NOMINAL IN
  • Cutting End Style: GENERAL PURPOSE
  • Point Angle: 135.0 DEGREES NOMINAL
  • Nondefinitive Spec/std Data: B TYPE AND 1/8 SIZE
  • Material: STEEL OVERALL
  • Flute Length: 1.625 INCHES NOMINAL IN
  • Flute Quantity: 2
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-046-4975, 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 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5133-01-046-4975
Primary Part Number3947-12 1/8
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerCleveland Twist Drill Co Div of Greenfield Industries Inc
StatusCANCELLED
Shank Diameter0.125 INCHES NOMINAL IN
Cutting End StyleGENERAL PURPOSE
Point Angle135.0 DEGREES NOMINAL
Nondefinitive Spec/std DataB TYPE AND 1/8 SIZE
MaterialSTEEL OVERALL
Flute Length1.625 INCHES NOMINAL IN
Flute Quantity2
Point TypeSPLIT
Shank StyleSTRAIGHT ROUND
Specification/standard Data80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Cutting Diameter0.1250 INCHES IN
Cutting Rotation DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6640-00-009-946747702 INTERCHANGEABLE
Hood,fume,laboratory
Labconco Corp
2915-00-051-29425900-12P1 INTERCHANGEABLE
Purifier,fuel,centrifugal
Michigan Dynamics Inc
5950-00-645-081606332 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc. Div Space and Airborne Systems
5133-01-053-7931 INTERCHANGEABLE
Drill,twist
5330-01-142-0147 INTERCHANGEABLE
Seal
5133-01-379-7129 INTERCHANGEABLE
Drill,twist
5995-01-410-75565900/8 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden, Inc.
Cross-Reference Index
Part NumberManufacturer
3947-12 1/8 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
59008 Precision Twist Drill Co (USA)
500-12 1/8 Precision Twist Drill Co (USA)
NAS907 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
06332 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
D3512B Doall Baltimore Company (USA)
NAS907 TYBSZ1/8 General Services Administration Federal Supply Service (USA)
710-168253 Doall Baltimore Company (USA)
Related Parts
6640-00-009-9467INTERCHANGEABLE
HOOD,FUME,LABORATORY
47702
2915-00-051-2942INTERCHANGEABLE
PURIFIER,FUEL,CENTRIFUGAL
5900-12P1
5950-00-645-0816INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
06332
5133-01-053-7931INTERCHANGEABLE
DRILL,TWIST
5330-01-142-0147INTERCHANGEABLE
SEAL
5133-01-379-7129INTERCHANGEABLE
DRILL,TWIST
5995-01-410-7556INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5900/8

Frequently Asked Questions

What is NSN 5133-01-046-4975?

NSN 5133-01-046-4975 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 5133-01-046-4975?

NSN 5133-01-046-4975 has 8 cross-referenced part numbers: 3947-12 1/8 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 59008 (Precision Twist Drill Co), 500-12 1/8 (Precision Twist Drill Co), NAS907 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 06332 (Cleveland Twist Drill Co Div of Greenfield Industries Inc) and 3 more.

What NSN replaces 5133-01-046-4975?

There are 7 known substitutes for 5133-01-046-4975: 6640-00-009-9467, 2915-00-051-2942, 5950-00-645-0816 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3947-12 1/8?

Key specifications for 3947-12 1/8: Shank Diameter: 0.125 INCHES NOMINAL IN; Cutting End Style: GENERAL PURPOSE; Overall Length: 12.000 INCHES NOMINAL IN; Point Angle: 135.0 DEGREES NOMINAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5133-01-046-4975 still in active supply?

NSN 5133-01-046-4975 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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