PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40121Drill,twist

Stanley Tools Div of Stanley Works · NSN 5133-01-644-5808 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-644-5808 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-644-5808. Primary manufacturer part number: 40121.
Features
  • Drill,twist — FSC 5133
  • Flute Quantity: 2
  • Shank Style: STRAIGHT ROUND
  • Cutting Rotation Direction: RIGHT-HAND
  • Point Angle: 118.0 DEGREES NOMINAL
  • Flute Length: 3.625 INCHES NOMINAL IN
  • Cutting End Style: GENERAL PURPOSE
  • Nominal Cutting Diameter: 0.3680 INCHES IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-644-5808, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Tools Div of Stanley Works. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5133-01-644-5808
Primary Part Number40121
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerStanley Tools Div of Stanley Works
StatusACTIVE
Flute Quantity2
Shank StyleSTRAIGHT ROUND
Cutting Rotation DirectionRIGHT-HAND
Point Angle118.0 DEGREES NOMINAL
Flute Length3.625 INCHES NOMINAL IN
Cutting End StyleGENERAL PURPOSE
Nominal Cutting Diameter0.3680 INCHES IN
Point TypeSPLIT
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5110-00-156-0124 INTERCHANGEABLE
File,hand
3455-00-194-051510000 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4510-00-595-092340121 INTERCHANGEABLE
Bulb,flush,water Closet Tank
Danco Inc
3120-00-661-780740121 INTERCHANGEABLE
Bushing,sleeve
Northrop Grumman Systems Corporation Div Marine Systems
5305-00-807-644640121 INTERCHANGEABLE
Screw,wood
Hillman Group, Inc., the
5330-00-998-3230648195 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
4210-01-080-1457 INTERCHANGEABLE
Coupling,hose,fire Fighting
6685-01-155-3061 INTERCHANGEABLE
Transmitter,temperature,electric
5995-01-309-450840121 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bell Intl Inc
3040-01-347-283140121 INTERCHANGEABLE
Shaft,shouldered
Control Enterprises Inc Dba C.e.i.
Cross-Reference Index
Part NumberManufacturer
40121 Irwin Industrial Tool Company (USA)
40121 PRIMARY Stanley Tools Div of Stanley Works (USA)
40121 Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
Related Parts
5110-00-156-0124INTERCHANGEABLE
FILE,HAND
3455-00-194-0515INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10000
4510-00-595-0923INTERCHANGEABLE
BULB,FLUSH,WATER CLOSET TANK
40121
3120-00-661-7807INTERCHANGEABLE
BUSHING,SLEEVE
40121
5305-00-807-6446INTERCHANGEABLE
SCREW,WOOD
40121
5330-00-998-3230INTERCHANGEABLE
GASKET
648195
4210-01-080-1457INTERCHANGEABLE
COUPLING,HOSE,FIRE FIGHTING
6685-01-155-3061INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
5995-01-309-4508INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
40121
3040-01-347-2831INTERCHANGEABLE
SHAFT,SHOULDERED
40121
8465-01-565-4002INTERCHANGEABLE
HYDRATION SYSTEM
40121
5306-01-660-4300INTERCHANGEABLE
BOLT,MACHINE
4-0121

Frequently Asked Questions

What is NSN 5133-01-644-5808?

NSN 5133-01-644-5808 is a Drill,twist, manufactured by Stanley Tools Div of Stanley Works, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-644-5808?

NSN 5133-01-644-5808 has 3 cross-referenced part numbers: 40121 (Irwin Industrial Tool Company), 40121 (Stanley Tools Div of Stanley Works), 40121 (Irwin Industrial Tool Company Dba Irwin Construction Accessories).

What NSN replaces 5133-01-644-5808?

There are 12 known substitutes for 5133-01-644-5808: 5110-00-156-0124, 3455-00-194-0515, 4510-00-595-0923 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40121?

Key specifications for 40121: Flute Quantity: 2; Overall Length: 5.000 INCHES NOMINAL IN; Shank Style: STRAIGHT ROUND; Special Features: JOBBERS LG; LETTER SIZE U. 12 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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