PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1222257Bearing,sleeve

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3120-00-925-9830 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-925-9830 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-925-9830. Primary manufacturer part number: 1222257.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.1250 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
  • Flange Width: 0.0780 INCHES NOMINAL IN
  • Flange Outside Diameter: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
  • Antirotation/lubrication Type and Quantity: 4 HOLE
  • Surface Finish: 63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
  • Corner Shape: RELIEF GROOVE LEFT FLANGE BODY CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 431 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-925-9830, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-925-9830
Primary Part Number1222257
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Body Inside Diameter0.1250 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
Flange Width0.0780 INCHES NOMINAL IN
Flange Outside Diameter0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
Body Outside Diameter0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
Antirotation/lubrication Type and Quantity4 HOLE
Surface Finish63.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Corner ShapeRELIEF GROOVE LEFT FLANGE BODY CORNER
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 431 OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Surface Finish63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Hardness Rating28.0 ROCKWELL C MINIMUM AND 4.0 ROCKWELL C MAXIMUM OVERALL
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-291-3070114525-112-51 INTERCHANGEABLE
O-Ring
Grimes Aerospace Company
Cross-Reference Index
Part NumberManufacturer
1222257 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5331-00-291-3070INTERCHANGEABLE
O-RING
114525-112-51

Frequently Asked Questions

What is NSN 3120-00-925-9830?

NSN 3120-00-925-9830 is a Bearing,sleeve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-925-9830?

NSN 3120-00-925-9830 has 1 cross-referenced part number: 1222257 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3120-00-925-9830?

There is 1 known substitute for 3120-00-925-9830: 5331-00-291-3070. Verify interchangeability with system specifications before substitution.

What are the specifications of 1222257?

Key specifications for 1222257: Body Inside Diameter: 0.1250 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN; Flange Width: 0.0780 INCHES NOMINAL IN; Flange Outside Diameter: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; Overall Length: 0.3360 INCHES MINIMUM AND 0.3560 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.

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