PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51/64 2510/950Drill,twist

Greenfield Industries Inc · NSN 5133-00-266-9473 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-266-9473 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-266-9473. Primary manufacturer part number: 51/64 2510/950.
Features
  • Drill,twist — FSC 5133
  • Flute Quantity: 2
  • Shank Diameter: 0.796 INCHES NOMINAL IN
  • Shank Style: STRAIGHT ROUND
  • Point Type: CONVENTIONAL
  • Specification/standard Data: 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Point Angle: 118.0 DEGREES NOMINAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-00-266-9473, 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 33 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: Active.

Technical Specifications
ParameterValue
NSN5133-00-266-9473
Primary Part Number51/64 2510/950
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerGreenfield Industries Inc
StatusACTIVE
Flute Quantity2
Shank Diameter0.796 INCHES NOMINAL IN
Shank StyleSTRAIGHT ROUND
Point TypeCONVENTIONAL
Specification/standard Data05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Point Angle118.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Cutting Rotation DirectionRIGHT-HAND
Nominal Cutting Diameter0.7969 INCHES IN
Flute Length6.125 INCHES NOMINAL IN
Cutting End StyleGENERAL PURPOSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-049-8416 INTERCHANGEABLE
Coil,radio Frequency
5935-00-116-8618TRU-6248 INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Rf Corporation
3110-00-120-30930074699-0 INTERCHANGEABLE
Bearing,roller,needle
New Holland Construction
5996-00-122-657551051 INTERCHANGEABLE
Amplifier,direct Current
Altek Electronics, Inc.
5340-00-205-5267 INTERCHANGEABLE
Button,plug
5133-00-227-5949 INTERCHANGEABLE
Drill,twist
5930-00-259-7154 INTERCHANGEABLE
Switch,rotary
2825-00-335-979349751 INTERCHANGEABLE
Plunger,valve
Northrop Grumman Systems Corporation Div Marine Systems
3120-00-343-838427301 INTERCHANGEABLE
Bushing,sleeve
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5342-00-371-6078F927 INTERCHANGEABLE
Boot,master Cylinder
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
Cross-Reference Index
Part NumberManufacturer
49751 Greenfield Industries Inc (USA)
27301 New York Twist Drill Inc (USA)
R51 Precision Twist Drill Co (USA)
GGG-D-751 TYBCL2 General Services Administration Federal Supply Service (USA)
2510 51/64 Greenfield Industries Inc (USA)
201 51/64 Lear Siegler Inc National Twist Drill and Tool Div (USA)
320 Republic Drill and Tool Co Div of Aew Electric Inc (USA)
T-102 Bendix Corp the Industrial Tools Div South Beloit Plant (USA)
70451 Illinois Tool Works Inc Illinois Eclipse-Pine Bluff Div (USA)
1314 Morse Cutting Tools (USA)
C08881 Greenfield Industries Inc (USA)
10601 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
47-10133 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
2411 51/64 New York Twist Drill Inc (USA)
10601 Morse Cutting Tools (USA)
11551 Lear Siegler Inc National Twist Drill and Tool Div (USA)
46150 Republic Drill and Tool Co Div of Aew Electric Inc (USA)
70400 Illinois Tool Works Inc Illinois Eclipse-Pine Bluff Div (USA)
120 51/64 Greenfield Industries Inc (USA)
2510 51/64 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
Related Parts
5950-00-049-8416INTERCHANGEABLE
COIL,RADIO FREQUENCY
5935-00-116-8618INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
TRU-6248
3110-00-120-3093INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
0074699-0
5996-00-122-6575INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
51051
5340-00-205-5267INTERCHANGEABLE
BUTTON,PLUG
5133-00-227-5949INTERCHANGEABLE
DRILL,TWIST
5930-00-259-7154INTERCHANGEABLE
SWITCH,ROTARY
2825-00-335-9793INTERCHANGEABLE
PLUNGER,VALVE
49751
3120-00-343-8384INTERCHANGEABLE
BUSHING,SLEEVE
27301
5342-00-371-6078INTERCHANGEABLE
BOOT,MASTER CYLINDER
F927
5340-00-399-7877INTERCHANGEABLE
LEVER,LOCK-RELEASE
5340-00-523-3197INTERCHANGEABLE
BRACKET,ENGINE
70451

Frequently Asked Questions

What is NSN 5133-00-266-9473?

NSN 5133-00-266-9473 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 5133-00-266-9473?

NSN 5133-00-266-9473 has 33 cross-referenced part numbers: 49751 (Greenfield Industries Inc), 27301 (New York Twist Drill Inc), R51 (Precision Twist Drill Co), GGG-D-751 TYBCL2 (General Services Administration Federal Supply Service), 2510 51/64 (Greenfield Industries Inc) and 28 more.

What NSN replaces 5133-00-266-9473?

There are 12 known substitutes for 5133-00-266-9473: 5950-00-049-8416, 5935-00-116-8618, 3110-00-120-3093 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51/64 2510/950?

Key specifications for 51/64 2510/950: Flute Quantity: 2; Shank Diameter: 0.796 INCHES NOMINAL IN; Shank Style: STRAIGHT ROUND; Point Type: CONVENTIONAL. 13 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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