PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21221Drill,twist

Time Fastener Co Inc · NSN 5133-01-443-3080 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-443-3080 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-443-3080. Primary manufacturer part number: 21221.
Features
  • Drill,twist — FSC 5133
  • Material: STEEL OVERALL
  • Cutting Rotation Direction: RIGHT-HAND
  • Nominal Cutting Diameter: 0.5000 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Time Fastener Co Inc
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-443-3080, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Time Fastener Co Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-443-3080
Primary Part Number21221
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerTime Fastener Co Inc
StatusACTIVE
MaterialSTEEL OVERALL
Cutting Rotation DirectionRIGHT-HAND
Nominal Cutting Diameter0.5000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3120-00-367-179321221 INTERCHANGEABLE
Bearing,sleeve
Industrial Technologies and Services Llc
6685-00-453-7109 INTERCHANGEABLE
Thermocouple,immersion
5315-00-758-731021221 INTERCHANGEABLE
Pin,shoulder,headless
Mason Electric Co. Dba Mason Controls
3040-01-033-777621221 INTERCHANGEABLE
Shaft,drive,flexible
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5342-01-144-3429531368-3 INTERCHANGEABLE
Clamp Assy,swing
Raytheon Company Dba Raytheon
4810-01-270-235321221 INTERCHANGEABLE
Actuator,electromechanical,rotar
Mark Industries
3450-01-412-643621221 INTERCHANGEABLE
Threading Machine,pipe and Bolt
Curtis-Toledo, Inc.
4820-01-416-457821221-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-416-595921221-1002-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-416-596121221-1001-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
0661-912-1 Wurth Uk Ltd (GBR)
21221 PRIMARY Time Fastener Co Inc (USA)
Related Parts
3120-00-367-1793INTERCHANGEABLE
BEARING,SLEEVE
21221
6685-00-453-7109INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
5315-00-758-7310INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
21221
3040-01-033-7776INTERCHANGEABLE
SHAFT,DRIVE,FLEXIBLE
21221
5342-01-144-3429INTERCHANGEABLE
CLAMP ASSY,SWING
531368-3
4810-01-270-2353INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
21221
3450-01-412-6436INTERCHANGEABLE
THREADING MACHINE,PIPE AND BOLT
21221
4820-01-416-4578INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21221-001
3040-01-416-5959INTERCHANGEABLE
SHAFT,SHOULDERED
21221-1002-1
3040-01-416-5961INTERCHANGEABLE
SHAFT,SHOULDERED
21221-1001-1
6150-01-485-9747INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 5133-01-443-3080?

NSN 5133-01-443-3080 is a Drill,twist, manufactured by Time Fastener Co Inc, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-443-3080?

NSN 5133-01-443-3080 has 2 cross-referenced part numbers: 0661-912-1 (Wurth Uk Ltd), 21221 (Time Fastener Co Inc).

What NSN replaces 5133-01-443-3080?

There are 11 known substitutes for 5133-01-443-3080: 3120-00-367-1793, 6685-00-453-7109, 5315-00-758-7310 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21221?

Key specifications for 21221: Material: STEEL OVERALL; Cutting Rotation Direction: RIGHT-HAND; Nominal Cutting Diameter: 0.5000 INCHES IN. 3 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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