PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72021Bearing,sleeve

Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix · NSN 3120-00-293-4280 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-293-4280 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-293-4280. Primary manufacturer part number: 72021.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Material: STEEL OVERALL
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGES BOTH ENDS
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-293-4280, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-293-4280
Primary Part Number72021
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
StatusCANCELLED
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
MaterialSTEEL OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGES BOTH ENDS
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE RIGHT FLANGE OUTSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Features ProvidedCASEHARDENED
Body Outside Diameter0.5100 INCHES MINIMUM AND 0.5300 INCHES MAXIMUM IN
Left Flange Outside Diameter0.5300 INCHES MINIMUM AND 0.5500 INCHES MAXIMUM IN
Right Flange Outside Diameter0.5300 INCHES MINIMUM AND 0.5500 INCHES MAXIMUM IN
Body Inside Diameter0.3945 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5950-00-970-8061 INTERCHANGEABLE
Transformer,power
6515-01-243-590750-4570 INTERCHANGEABLE
Retractor,abdominal
Codman & Shurtleff Inc
7310-01-615-056672021 INTERCHANGEABLE
Heater,water and Ration
The Vollrath Company, L.l.c. Div Vollrath
Cross-Reference Index
Part NumberManufacturer
72021 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
72021 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
72021 Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
5950-00-970-8061INTERCHANGEABLE
TRANSFORMER,POWER
6515-01-243-5907INTERCHANGEABLE
RETRACTOR,ABDOMINAL
50-4570
7310-01-615-0566INTERCHANGEABLE
HEATER,WATER AND RATION
72021

Frequently Asked Questions

What is NSN 3120-00-293-4280?

NSN 3120-00-293-4280 is a Bearing,sleeve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-293-4280?

NSN 3120-00-293-4280 has 3 cross-referenced part numbers: 72021 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 72021 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 72021 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 3120-00-293-4280?

There are 3 known substitutes for 3120-00-293-4280: 5950-00-970-8061, 6515-01-243-5907, 7310-01-615-0566. Verify interchangeability with system specifications before substitution.

What are the specifications of 72021?

Key specifications for 72021: Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Material: STEEL OVERALL; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-293-4280 still in active supply?

NSN 3120-00-293-4280 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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