PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3780 21Drill,twist

Greenfield Industries Inc · NSN 5133-01-366-0169 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-366-0169 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-366-0169. Primary manufacturer part number: 3780 21.
Features
  • Drill,twist — FSC 5133
  • Specification/standard Data: 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Point Angle: 135.0 DEGREES NOMINAL
  • Material: STEEL ALLOY OVERALL
  • Surface Treatment: OXIDE FILM OVERALL
  • Nondefinitive Spec/std Data: D TYPE
  • Point Type: SPLIT
  • Flute Length: 1.062 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Alloy Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-366-0169, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Greenfield Industries Inc. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-366-0169
Primary Part Number3780 21
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerGreenfield Industries Inc
StatusACTIVE
Specification/standard Data80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Point Angle135.0 DEGREES NOMINAL
MaterialSTEEL ALLOY OVERALL
Surface TreatmentOXIDE FILM OVERALL
Nondefinitive Spec/std DataD TYPE
Point TypeSPLIT
Flute Length1.062 INCHES NOMINAL IN
Cutting End StyleGENERAL PURPOSE
Cutting Rotation DirectionRIGHT-HAND
Nominal Cutting Diameter0.1590 INCHES IN
Shank StyleSTRAIGHT ROUND
Shank Diameter0.159 INCHES NOMINAL IN
Flute Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-071-2071AEB02C500B00AW9A81 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
1560-00-486-816215927 INTERCHANGEABLE
Cover Assy-Wing Lea
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5998-00-947-6616 INTERCHANGEABLE
Electronic Components Assembly
5133-00-988-5673 INTERCHANGEABLE
Drill,twist
3040-01-301-9103 INTERCHANGEABLE
Shaft,straight
3693-01-370-077215927 INTERCHANGEABLE
Table,cutting,hose
Curtis-Toledo, Inc.
3120-01-557-962315927 INTERCHANGEABLE
Roller,linear-Rotary Motion
Moog Inc
8145-01-565-255217710-100 INTERCHANGEABLE
Shipping and Storag
Hardigg Industries, Llc Div Hardigg Cases
Cross-Reference Index
Part NumberManufacturer
3780 21 Greenfield Industries Inc (USA)
C15927 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
C15927 Greenfield Industries Inc (USA)
3780 21 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
15927 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
3780 21 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
NAS907 TYDSZ21 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)
Related Parts
5305-00-071-2071INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AEB02C500B00AW9A81
1560-00-486-8162INTERCHANGEABLE
COVER ASSY-WING LEA
15927
5998-00-947-6616INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5133-00-988-5673INTERCHANGEABLE
DRILL,TWIST
3040-01-301-9103INTERCHANGEABLE
SHAFT,STRAIGHT
3693-01-370-0772INTERCHANGEABLE
TABLE,CUTTING,HOSE
15927
3120-01-557-9623INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
15927
8145-01-565-2552INTERCHANGEABLE
SHIPPING AND STORAG
17710-100

Frequently Asked Questions

What is NSN 5133-01-366-0169?

NSN 5133-01-366-0169 is a Drill,twist, manufactured by Greenfield Industries Inc, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-366-0169?

NSN 5133-01-366-0169 has 8 cross-referenced part numbers: 3780 21 (Greenfield Industries Inc), C15927 (Kennametal Inc. Div Kennametal Industrial Products Group), C15927 (Greenfield Industries Inc), 3780 21 (Kennametal Inc. Div Kennametal Industrial Products Group), 15927 (Cleveland Twist Drill Co Div of Greenfield Industries Inc) and 3 more.

What NSN replaces 5133-01-366-0169?

There are 8 known substitutes for 5133-01-366-0169: 5305-00-071-2071, 1560-00-486-8162, 5998-00-947-6616 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3780 21?

Key specifications for 3780 21: Specification/standard Data: 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Point Angle: 135.0 DEGREES NOMINAL; Special Features: JOBBERS LG; WIRE SIZE 21; Material: STEEL ALLOY OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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