PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B743Chuck and Die

Pioneer Aerospace Corp Engineering Div · NSN 5120-00-755-1306 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-755-1306 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-755-1306. Primary manufacturer part number: B743.
Features
  • Chuck and Die — FSC 5120
  • 2 verified cross-references
  • Primary manufacturer: Pioneer Aerospace Corp Engineering Div
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Chuck and Die, cataloged under National Stock Number 5120-00-755-1306, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Pioneer Aerospace Corp Engineering Div. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameChuck and Die
FSC / FSG5120 — No Item Name Available (FSG 51)
ManufacturersPioneer Aerospace Corp Engineering Div (CAGE 77292); C. S. Osborne and Company Dba Cs Osborne & Co (CAGE 76970)
Technical Specifications
ParameterValue
NSN5120-00-755-1306
Primary Part NumberB743
Item NameChuck and Die
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerPioneer Aerospace Corp Engineering Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3120-00-781-73033021736-5 INTERCHANGEABLE
Bearing,sleeve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3460-01-003-76106954 INTERCHANGEABLE
Wheel,abrasive
Fantastic Tool Inc
5930-01-498-3622B743 INTERCHANGEABLE
Switch,ethernet
Lockheed Martin Corporation Div Rms - Manassas
5365-01-664-0541 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
B743 PRIMARY Pioneer Aerospace Corp Engineering Div (USA)
217 C. S. Osborne and Company Dba Cs Osborne & Co (USA)
Related Parts
3120-00-781-7303INTERCHANGEABLE
BEARING,SLEEVE
3021736-5
3460-01-003-7610INTERCHANGEABLE
WHEEL,ABRASIVE
6954
5930-01-498-3622INTERCHANGEABLE
SWITCH,ETHERNET
B743
5365-01-664-0541INTERCHANGEABLE
BUSHING,SLEEVE

Frequently Asked Questions

What is NSN 5120-00-755-1306?

NSN 5120-00-755-1306 is a Chuck and Die, manufactured by Pioneer Aerospace Corp Engineering Div, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-755-1306?

NSN 5120-00-755-1306 has 2 cross-referenced part numbers: B743 (Pioneer Aerospace Corp Engineering Div), 217 (C. S. Osborne and Company Dba Cs Osborne & Co).

What NSN replaces 5120-00-755-1306?

There are 4 known substitutes for 5120-00-755-1306: 3120-00-781-7303, 3460-01-003-7610, 5930-01-498-3622 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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