PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21482Counterbore,machine

Time Fastener Co Inc · NSN 5133-01-443-3489 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-443-3489 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-443-3489. Primary manufacturer part number: 21482.
Features
  • Counterbore,machine — FSC 5133
  • Material: STEEL OVERALL
  • Nominal Cutting Diameter: 0.2500 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Time Fastener Co Inc
Applications
  • Applications requiring Steel Overall construction
General Description

The Counterbore,machine, cataloged under National Stock Number 5133-01-443-3489, 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 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-443-3489
Primary Part Number21482
Item NameCounterbore,machine
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerTime Fastener Co Inc
StatusACTIVE
MaterialSTEEL OVERALL
Nominal Cutting Diameter0.2500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1660-00-026-4196 INTERCHANGEABLE
Housing,pull Cable
5930-00-852-423921482 INTERCHANGEABLE
Switch,push
Mason Electric Co. Dba Mason Controls
3040-00-863-3735 INTERCHANGEABLE
Shaft,shouldered
5310-01-066-489721-482 INTERCHANGEABLE
Nut,plain,hexagon
Johnson Controls Navy Systems, Llc
9540-01-190-04092-1482 INTERCHANGEABLE
Angle,structural
Lockheed Martin Corporation Div Rotary and Mission Systems
7310-01-290-5144 INTERCHANGEABLE
Speed Control,toaster
Cross-Reference Index
Part NumberManufacturer
0661-914-2 Wurth Uk Ltd (GBR)
21482 PRIMARY Time Fastener Co Inc (USA)
Related Parts
1660-00-026-4196INTERCHANGEABLE
HOUSING,PULL CABLE
5930-00-852-4239INTERCHANGEABLE
SWITCH,PUSH
21482
3040-00-863-3735INTERCHANGEABLE
SHAFT,SHOULDERED
5310-01-066-4897INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21-482
9540-01-190-0409INTERCHANGEABLE
ANGLE,STRUCTURAL
2-1482
7310-01-290-5144INTERCHANGEABLE
SPEED CONTROL,TOASTER

Frequently Asked Questions

What is NSN 5133-01-443-3489?

NSN 5133-01-443-3489 is a Counterbore,machine, manufactured by Time Fastener Co Inc, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-443-3489?

NSN 5133-01-443-3489 has 2 cross-referenced part numbers: 0661-914-2 (Wurth Uk Ltd), 21482 (Time Fastener Co Inc).

What NSN replaces 5133-01-443-3489?

There are 6 known substitutes for 5133-01-443-3489: 1660-00-026-4196, 5930-00-852-4239, 3040-00-863-3735 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21482?

Key specifications for 21482: Material: STEEL OVERALL; Nominal Cutting Diameter: 0.2500 INCHES IN. 2 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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