PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45621Drill,twist

Precision Twist Drill Co · NSN 5133-01-443-6309 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-443-6309 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-443-6309. Primary manufacturer part number: 45621.
Features
  • Drill,twist — FSC 5133
  • Point Type: SPLIT
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Flute Quantity: 2
  • Point Angle: 135.0 DEGREES NOMINAL
  • Thread Quantity: 28 PER INCH
  • Material: STEEL OVERALL
  • Thread Series Designator: UNF
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-443-6309, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Precision Twist Drill Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-443-6309
Primary Part Number45621
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerPrecision Twist Drill Co
StatusACTIVE
Point TypeSPLIT
Nominal Thread Diameter0.250 INCHES IN
Flute Quantity2
Point Angle135.0 DEGREES NOMINAL
Thread Quantity28 PER INCH
MaterialSTEEL OVERALL
Thread Series DesignatorUNF
Nominal Cutting Diameter0.1590 INCHES IN
Shank StyleEXTERNALLY THREADED W/HEX NUT
Thread DirectionRIGHT-HAND
Cutting End StyleGENERAL PURPOSE
Thread Class2A A
Flute Length0.562 INCHES NOMINAL IN
Cutting Rotation DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3010-00-089-224445621 INTERCHANGEABLE
Gearcase-Motor
Superior Motion Controls, Inc. Dba Superior Motion Controls
5945-00-164-639345621 INTERCHANGEABLE
Solenoid,electrical
Lourdes Industries, Inc.
5110-00-221-1075 INTERCHANGEABLE
Chisel,blacksmith's
4820-00-245-7808 INTERCHANGEABLE
Valve,linear,directional Control
4730-01-359-29571056-33 INTERCHANGEABLE
Spacer,flexible,pipeline
Fernco Inc
3010-01-444-6525 INTERCHANGEABLE
Transmission,mechanical,nonvehic
Cross-Reference Index
Part NumberManufacturer
TS18 21 Precision Twist Drill Co (USA)
45621 PRIMARY Precision Twist Drill Co (USA)
Related Parts
3010-00-089-2244INTERCHANGEABLE
GEARCASE-MOTOR
45621
5945-00-164-6393INTERCHANGEABLE
SOLENOID,ELECTRICAL
45621
5110-00-221-1075INTERCHANGEABLE
CHISEL,BLACKSMITH'S
4820-00-245-7808INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
4730-01-359-2957INTERCHANGEABLE
SPACER,FLEXIBLE,PIPELINE
1056-33
3010-01-444-6525INTERCHANGEABLE
TRANSMISSION,MECHANICAL,NONVEHIC

Frequently Asked Questions

What is NSN 5133-01-443-6309?

NSN 5133-01-443-6309 is a Drill,twist, manufactured by Precision Twist Drill Co, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-443-6309?

NSN 5133-01-443-6309 has 2 cross-referenced part numbers: TS18 21 (Precision Twist Drill Co), 45621 (Precision Twist Drill Co).

What NSN replaces 5133-01-443-6309?

There are 6 known substitutes for 5133-01-443-6309: 3010-00-089-2244, 5945-00-164-6393, 5110-00-221-1075 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45621?

Key specifications for 45621: Point Type: SPLIT; Nominal Thread Diameter: 0.250 INCHES IN; Flute Quantity: 2; Special Features: THREADED HEX SHANK; WIRE SIZE 21. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com