PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81598Bearing,sleeve

Telemechanics Inc · NSN 3120-00-448-4023 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-448-4023 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-448-4023. Primary manufacturer part number: 81598.
Features
  • Bearing,sleeve — FSC 3120
  • 5 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 3120-00-448-4023, 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 5 commercial cross-references from 5 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)
ManufacturersAmerican Telephone and Telegraph Co (CAGE 64959); Telemechanics Inc (CAGE 57712); Lucent Technologies Inc Dba Federal Marketing Group (CAGE 06KW9); At and T Corp (CAGE 70408); Lucent Technologies Inc Corporate Headquarters (CAGE 3B4M0)
Technical Specifications
ParameterValue
NSN3120-00-448-4023
Primary Part Number81598
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2530-00-051-46958159-50 INTERCHANGEABLE
Rim,wheel,pneumatic Tire
Columbus Jack Corporation Div Columbus Jack
1650-00-922-877281598 INTERCHANGEABLE
Insert,ring
Hydro-Aire Aerospace Corp
3610-01-193-0953081598 INTERCHANGEABLE
Lever Assy
Abd Intl Inc Dba Abdick
5340-01-314-012881598-1 INTERCHANGEABLE
Bracket,double Angle
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
5930-01-540-946381598-00000040-21 INTERCHANGEABLE
Switch,pressure
Honeywell International Inc. Dba Honeyweel Sensing & Controls
5340-01-668-304981598 INTERCHANGEABLE
Lever,manual Control
Champion Road Machinery Inc
Cross-Reference Index
Part NumberManufacturer
81598 American Telephone and Telegraph Co (USA)
81598 PRIMARY Telemechanics Inc (USA)
81598 Lucent Technologies Inc Dba Federal Marketing Group (USA)
81598 At and T Corp (USA)
81598 Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
2530-00-051-4695INTERCHANGEABLE
RIM,WHEEL,PNEUMATIC TIRE
8159-50
1650-00-922-8772INTERCHANGEABLE
INSERT,RING
81598
3610-01-193-0953INTERCHANGEABLE
LEVER ASSY
081598
5340-01-314-0128INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
81598-1
5930-01-540-9463INTERCHANGEABLE
SWITCH,PRESSURE
81598-00000040-21
5340-01-668-3049INTERCHANGEABLE
LEVER,MANUAL CONTROL
81598

Frequently Asked Questions

What is NSN 3120-00-448-4023?

NSN 3120-00-448-4023 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 3120-00-448-4023?

NSN 3120-00-448-4023 has 5 cross-referenced part numbers: 81598 (American Telephone and Telegraph Co), 81598 (Telemechanics Inc), 81598 (Lucent Technologies Inc Dba Federal Marketing Group), 81598 (At and T Corp), 81598 (Lucent Technologies Inc Corporate Headquarters).

What NSN replaces 3120-00-448-4023?

There are 6 known substitutes for 3120-00-448-4023: 2530-00-051-4695, 1650-00-922-8772, 3610-01-193-0953 and 3 more. Verify interchangeability with system specifications before substitution.

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