PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1289Bearing,sleeve

Bell Textron Inc · NSN 3120-00-403-1465 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-403-1465 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-403-1465. Primary manufacturer part number: 1289.
Features
  • Bearing,sleeve — FSC 3120
  • Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
  • Body Inside Diameter: 0.3754 INCHES MINIMUM AND 0.3757 INCHES MAXIMUM IN
  • Flange Outside Diameter: 0.7500 INCHES NOMINAL IN
  • Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Material: STEEL COMP 416 OVERALL
  • Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-403-1465, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bell Textron Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-403-1465
Primary Part Number1289
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBell Textron Inc
StatusACTIVE
Hardness Rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
Body Inside Diameter0.3754 INCHES MINIMUM AND 0.3757 INCHES MAXIMUM IN
Flange Outside Diameter0.7500 INCHES NOMINAL IN
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialSTEEL COMP 416 OVERALL
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Lubricant Accommodation StyleGROOVED CIRCULAR
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Surface Finish63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Body Outside Diameter0.4986 INCHES MINIMUM AND 0.4988 INCHES MAXIMUM IN
Surface Groove Location and Quantity1 EXTERNAL
Surface Finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Surface Finish125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Material Document and ClassificationQQ-S-764,TYPE 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Flange Width0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
Surface Finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-261-8016 INTERCHANGEABLE
Reactor
5120-00-370-1289 INTERCHANGEABLE
Wrench,tommy
2940-00-612-237751289 INTERCHANGEABLE
Filter,fluid
Wix Corp
6530-00-863-09281289 INTERCHANGEABLE
Drape,surgical
Johnson and Johnson Medical Inc Sub of Johnson and Johnson
5915-00-985-3232 INTERCHANGEABLE
Filter,band Pass
5340-01-157-375410513119 INTERCHANGEABLE
Retainer,spring
General Dynamics Land Systems Canadacorp
5330-01-205-3533 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
2910-01-214-5886 INTERCHANGEABLE
Carburetor Assembly
8920-01-282-046601289 INTERCHANGEABLE
Crackers,oyster,salted
Keebler Co
6520-01-335-991715730 INTERCHANGEABLE
Spreader,endodontic,finger
Kerr Corporation
Cross-Reference Index
Part NumberManufacturer
1289 PRIMARY Bell Textron Inc (USA)
1289 Hawker Pacific Aerospace (USA)
Related Parts
5950-00-261-8016INTERCHANGEABLE
REACTOR
5120-00-370-1289INTERCHANGEABLE
WRENCH,TOMMY
2940-00-612-2377INTERCHANGEABLE
FILTER,FLUID
51289
6530-00-863-0928INTERCHANGEABLE
DRAPE,SURGICAL
1289
5915-00-985-3232INTERCHANGEABLE
FILTER,BAND PASS
5340-01-157-3754INTERCHANGEABLE
RETAINER,SPRING
10513119
5330-01-205-3533INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
2910-01-214-5886INTERCHANGEABLE
CARBURETOR ASSEMBLY
8920-01-282-0466INTERCHANGEABLE
CRACKERS,OYSTER,SALTED
01289
6520-01-335-9917INTERCHANGEABLE
SPREADER,ENDODONTIC,FINGER
15730
7025-01-614-4605INTERCHANGEABLE
TOUCHSCREEN,DATA ENTRY
1289

Frequently Asked Questions

What is NSN 3120-00-403-1465?

NSN 3120-00-403-1465 is a Bearing,sleeve, manufactured by Bell Textron Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-403-1465?

NSN 3120-00-403-1465 has 2 cross-referenced part numbers: 1289 (Bell Textron Inc), 1289 (Hawker Pacific Aerospace).

What NSN replaces 3120-00-403-1465?

There are 11 known substitutes for 3120-00-403-1465: 5950-00-261-8016, 5120-00-370-1289, 2940-00-612-2377 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1289?

Key specifications for 1289: Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL; Body Inside Diameter: 0.3754 INCHES MINIMUM AND 0.3757 INCHES MAXIMUM IN; Flange Outside Diameter: 0.7500 INCHES NOMINAL IN; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE. 23 total characteristics are documented in the Federal Logistics Information System.

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