PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100421Bearing,sleeve

Telemechanics Inc · NSN 3120-00-448-3567 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-448-3567 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-448-3567. Primary manufacturer part number: 100421.
Features
  • Bearing,sleeve — FSC 3120
  • 3 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-448-3567, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Telemechanics Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersTelemechanics Inc (CAGE 57712); American Telephone and Telegraph Co (CAGE 64959); At and T Corp (CAGE 70408)
Technical Specifications
ParameterValue
NSN3120-00-448-3567
Primary Part Number100421
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2990-00-030-1287 INTERCHANGEABLE
Governor Assy,engin
5305-00-545-83424970110S6L INTERCHANGEABLE
Screw,cap,socket Head
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5999-00-942-3848 INTERCHANGEABLE
Mounting Pad,electrical-Electron
6665-00-999-2785 INTERCHANGEABLE
Detector Pad,free Water
6635-01-557-9060100421 INTERCHANGEABLE
Measure,aggregate Test
Troxler Electronic Laboratories, Inc.
5920-01-604-3983100421 INTERCHANGEABLE
Fuse Assortment
Danfoss Turbocor Compressors Inc.
Cross-Reference Index
Part NumberManufacturer
100421 PRIMARY Telemechanics Inc (USA)
100421 American Telephone and Telegraph Co (USA)
100421 At and T Corp (USA)
Related Parts
2990-00-030-1287INTERCHANGEABLE
GOVERNOR ASSY,ENGIN
5305-00-545-8342INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4970110S6L
5999-00-942-3848INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
6665-00-999-2785INTERCHANGEABLE
DETECTOR PAD,FREE WATER
6635-01-557-9060INTERCHANGEABLE
MEASURE,AGGREGATE TEST
100421
5920-01-604-3983INTERCHANGEABLE
FUSE ASSORTMENT
100421

Frequently Asked Questions

What is NSN 3120-00-448-3567?

NSN 3120-00-448-3567 is a Bearing,sleeve, manufactured by Telemechanics Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-448-3567?

NSN 3120-00-448-3567 has 3 cross-referenced part numbers: 100421 (Telemechanics Inc), 100421 (American Telephone and Telegraph Co), 100421 (At and T Corp).

What NSN replaces 3120-00-448-3567?

There are 6 known substitutes for 3120-00-448-3567: 2990-00-030-1287, 5305-00-545-8342, 5999-00-942-3848 and 3 more. Verify interchangeability with system specifications before substitution.

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