PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21441Headstock and Bearing

Curtis-Toledo, Inc. · NSN 3419-01-181-8764 · FSC 3419 · No Item Name Available
Verified by PartsTable
NSN 3419-01-181-8764 — this item is cataloged by the U.S. Government under National Stock Number 3419-01-181-8764. Primary manufacturer part number: 21441.
Features
  • Headstock and Bearing — FSC 3419
  • 1 verified cross-reference
  • Primary manufacturer: Curtis-Toledo, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Headstock and Bearing, cataloged under National Stock Number 3419-01-181-8764, is classified within Federal Supply Class 3419 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Curtis-Toledo, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3419-01-181-8764
Primary Part Number21441
Item NameHeadstock and Bearing
FSC / FSG3419 / 34 — No Item Name Available
ManufacturerCurtis-Toledo, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-059-4988214-41 INTERCHANGEABLE
Gasket
Aerco International, Inc. Dba Aerco International Inc
2920-00-350-44062-144-1 INTERCHANGEABLE
Plate
Precision Aerospace Corporation Dba Precision Engine Control
2010-00-398-95571900PC910 INTERCHANGEABLE
Button,plunger
Industrial Technologies and Services Llc
6145-00-537-37354251221F INTERCHANGEABLE
Cable,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-996-420121441 INTERCHANGEABLE
Adapter,switch Actuator
Neurotech Corp Control Electronics Div
6625-01-039-6878 INTERCHANGEABLE
Recorder Subassembly
2920-01-184-1055PS-1459AS INTERCHANGEABLE
Housing Assembly,starter Drive
Prestolite Electric Inc
4720-01-377-138621441 INTERCHANGEABLE
Hose,preformed
Gates Corporation
6850-01-519-125821441 INTERCHANGEABLE
Sealer,chemical
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
21441 Curtis-Toledo, Inc. (USA)
Related Parts
5330-00-059-4988INTERCHANGEABLE
GASKET
214-41
2920-00-350-4406INTERCHANGEABLE
PLATE
2-144-1
2010-00-398-9557INTERCHANGEABLE
BUTTON,PLUNGER
1900PC910
6145-00-537-3735INTERCHANGEABLE
CABLE,RADIO FREQUENCY
4251221F
5930-00-996-4201INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
21441
6625-01-039-6878INTERCHANGEABLE
RECORDER SUBASSEMBLY
2920-01-184-1055INTERCHANGEABLE
HOUSING ASSEMBLY,STARTER DRIVE
PS-1459AS
4720-01-377-1386INTERCHANGEABLE
HOSE,PREFORMED
21441
6850-01-519-1258INTERCHANGEABLE
SEALER,CHEMICAL
21441

Frequently Asked Questions

What is NSN 3419-01-181-8764?

NSN 3419-01-181-8764 is a Headstock and Bearing, manufactured by Curtis-Toledo, Inc., classified under FSC 3419 (No Item Name Available). Status: active.

What are the part numbers for NSN 3419-01-181-8764?

NSN 3419-01-181-8764 has 1 cross-referenced part number: 21441 (Curtis-Toledo, Inc.).

What NSN replaces 3419-01-181-8764?

There are 9 known substitutes for 3419-01-181-8764: 5330-00-059-4988, 2920-00-350-4406, 2010-00-398-9557 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21441?

Key specifications for 21441: End Item Identification: CURTIS-TOLEDO MODEL 722 THREADING MACHINE. 1 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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