PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49739Drill,twist

Greenfield Industries Inc · NSN 5133-00-266-9465 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-266-9465 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-266-9465. Primary manufacturer part number: 49739.
Features
  • Drill,twist — FSC 5133
  • Flute Quantity: 2
  • Flute Length: 4.875 INCHES NOMINAL IN
  • Point Angle: 118.0 DEGREES NOMINAL
  • Shank Diameter: 0.609 INCHES NOMINAL IN
  • Cutting Rotation Direction: RIGHT-HAND
  • Cutting End Style: GENERAL PURPOSE
  • Specification/standard Data: 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-00-266-9465, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 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
NSN5133-00-266-9465
Primary Part Number49739
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerGreenfield Industries Inc
StatusCANCELLED
Flute Quantity2
Flute Length4.875 INCHES NOMINAL IN
Point Angle118.0 DEGREES NOMINAL
Shank Diameter0.609 INCHES NOMINAL IN
Cutting Rotation DirectionRIGHT-HAND
Cutting End StyleGENERAL PURPOSE
Specification/standard Data05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Cutting Diameter0.6094 INCHES IN
Shank StyleSTRAIGHT ROUND
Point TypeCONVENTIONAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0214358 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
1075-00-105-3939086460-1 INTERCHANGEABLE
Diffuser
Deval Life Cycle Support Llc
5133-00-236-4098 INTERCHANGEABLE
Drill,twist
5310-00-286-038749739 INTERCHANGEABLE
Washer,flat
L3harris Technologies, Inc Div Space & Airborne Systems
5977-00-306-446551039-1 INTERCHANGEABLE
Brush Set,electrical Contact
Raytheon Company Dba Raytheon
3040-00-307-455311539 INTERCHANGEABLE
Bell Crank
Goodrich Corporation Dba Goodrich Corp
5360-00-308-7568 INTERCHANGEABLE
Spring,helical,compression
5815-00-356-3238SC-B-69472 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-00-398-784310589 INTERCHANGEABLE
Ring,wearing
Rps-Fl, Inc. Dba Rps Inc
5935-00-483-327331-102/UG-657/U INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
Cross-Reference Index
Part NumberManufacturer
49739 Greenfield Industries Inc (USA)
70400 Illinois Tool Works Inc Illinois Eclipse-Pine Bluff Div (USA)
08855 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
49739 Greenfield Industries Inc (USA)
11539 Lear Siegler Inc National Twist Drill and Tool Div (USA)
GGG-D-751 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2411 39/64 New York Twist Drill Inc (USA)
950 39/64 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
120 39/64 Greenfield Industries Inc (USA)
C08855 Greenfield Industries Inc (USA)
70439 Illinois Tool Works Inc Illinois Eclipse-Pine Bluff Div (USA)
51039 Precision Twist Drill Co (USA)
47-10121 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
B94.11M The American Society of Mechanical Engineers (USA)
1314 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
320 Republic Drill and Tool Co Div of Aew Electric Inc (USA)
2510 39/64 Greenfield Industries Inc (USA)
MS17076-32 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
25612 Bendix Corp the Industrial Tools Div South Beloit Plant (USA)
10589 Morse Cutting Tools (USA)
Related Parts
3110-00-100-0214INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
358
1075-00-105-3939INTERCHANGEABLE
DIFFUSER
086460-1
5133-00-236-4098INTERCHANGEABLE
DRILL,TWIST
5310-00-286-0387INTERCHANGEABLE
WASHER,FLAT
49739
5977-00-306-4465INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
51039-1
3040-00-307-4553INTERCHANGEABLE
BELL CRANK
11539
5360-00-308-7568INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5815-00-356-3238INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SC-B-69472
4320-00-398-7843INTERCHANGEABLE
RING,WEARING
10589
5935-00-483-3273INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
31-102/UG-657/U
5930-00-491-8705INTERCHANGEABLE
SWITCH,ROTARY
10670321
5950-00-521-5183INTERCHANGEABLE
TRANSFORMER,PULSE

Frequently Asked Questions

What is NSN 5133-00-266-9465?

NSN 5133-00-266-9465 is a Drill,twist, manufactured by Greenfield Industries Inc, classified under FSC 5133 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5133-00-266-9465?

NSN 5133-00-266-9465 has 32 cross-referenced part numbers: 49739 (Greenfield Industries Inc), 70400 (Illinois Tool Works Inc Illinois Eclipse-Pine Bluff Div), 08855 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 49739 (Greenfield Industries Inc), 11539 (Lear Siegler Inc National Twist Drill and Tool Div) and 27 more.

What NSN replaces 5133-00-266-9465?

There are 12 known substitutes for 5133-00-266-9465: 3110-00-100-0214, 1075-00-105-3939, 5133-00-236-4098 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49739?

Key specifications for 49739: Flute Quantity: 2; Flute Length: 4.875 INCHES NOMINAL IN; Point Angle: 118.0 DEGREES NOMINAL; Special Features: TAPER LG; FRACTIONAL SIZE 39/64. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5133-00-266-9465 still in active supply?

NSN 5133-00-266-9465 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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