PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-400Bearing,sleeve

Rix Industries · NSN 3120-00-343-0562 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-343-0562 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-343-0562. Primary manufacturer part number: 21-400.
Features
  • Bearing,sleeve — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Rix Industries
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-343-0562, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rix Industries. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 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)
ManufacturersRix Industries (CAGE 28953)
Technical Specifications
ParameterValue
NSN3120-00-343-0562
Primary Part Number21-400
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRix Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-052-8783 INTERCHANGEABLE
Switch Assembly
5306-00-191-82905000-29 INTERCHANGEABLE
Bolt,roll Pin
Pdi Ground Support Systems, Inc.
5999-00-242-847921400 INTERCHANGEABLE
Clip,electrical
Raytheon Company Dba Raytheon
5895-00-279-895621400 INTERCHANGEABLE
Disc Assembly,tachometer
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5120-00-348-7652K18 INTERCHANGEABLE
Contact Positioner,terminal Crim
Daniels Manufacturing Corporation
5945-00-510-0550 INTERCHANGEABLE
Relay,electromagnetic
9540-00-528-1667 INTERCHANGEABLE
Angle,structural
5120-00-541-180804-M-1/8 INTERCHANGEABLE
Holder,sheet Metal,hole
Us Air Tool Co., Inc.
5930-00-615-9376 INTERCHANGEABLE
Switch,toggle
4720-00-676-79362556-6 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
K18 Rix Industries (USA)
21-400 PRIMARY Rix Industries (USA)
Related Parts
5930-00-052-8783INTERCHANGEABLE
SWITCH ASSEMBLY
5306-00-191-8290INTERCHANGEABLE
BOLT,ROLL PIN
5000-29
5999-00-242-8479INTERCHANGEABLE
CLIP,ELECTRICAL
21400
5895-00-279-8956INTERCHANGEABLE
DISC ASSEMBLY,TACHOMETER
21400
5120-00-348-7652INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
K18
5945-00-510-0550INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9540-00-528-1667INTERCHANGEABLE
ANGLE,STRUCTURAL
5120-00-541-1808INTERCHANGEABLE
HOLDER,SHEET METAL,HOLE
04-M-1/8
5930-00-615-9376INTERCHANGEABLE
SWITCH,TOGGLE
4720-00-676-7936INTERCHANGEABLE
HOSE,NONMETALLIC
2556-6
5305-00-882-0821INTERCHANGEABLE
SCREW,SHOULDER
K18
5120-01-023-6511INTERCHANGEABLE
HOLDER,SHEET METAL,HOLE
K-1/8

Frequently Asked Questions

What is NSN 3120-00-343-0562?

NSN 3120-00-343-0562 is a Bearing,sleeve, manufactured by Rix Industries, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-343-0562?

NSN 3120-00-343-0562 has 2 cross-referenced part numbers: K18 (Rix Industries), 21-400 (Rix Industries).

What NSN replaces 3120-00-343-0562?

There are 12 known substitutes for 3120-00-343-0562: 5930-00-052-8783, 5306-00-191-8290, 5999-00-242-8479 and 9 more. Verify interchangeability with system specifications before substitution.

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