PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AF594Bearing,sleeve

Gast Mfg Corp · NSN 3120-01-105-3056 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-105-3056 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-105-3056. Primary manufacturer part number: AF594.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER AND FIBER OVERALL
  • Body Outside Diameter: 1.8780 INCHES NOMINAL IN
  • Body Inside Diameter: 1.7500 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Gast Mfg Corp
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper and Fiber Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-105-3056, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Gast Mfg Corp. Government technical data includes 5 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
NSN3120-01-105-3056
Primary Part NumberAF594
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGast Mfg Corp
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSPLIT, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER AND FIBER OVERALL
Body Outside Diameter1.8780 INCHES NOMINAL IN
Body Inside Diameter1.7500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2940-01-176-057942491 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
AF594 PRIMARY Gast Mfg Corp (USA)
Related Parts
2940-01-176-0579INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42491

Frequently Asked Questions

What is NSN 3120-01-105-3056?

NSN 3120-01-105-3056 is a Bearing,sleeve, manufactured by Gast Mfg Corp, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-105-3056?

NSN 3120-01-105-3056 has 1 cross-referenced part number: AF594 (Gast Mfg Corp).

What NSN replaces 3120-01-105-3056?

There is 1 known substitute for 3120-01-105-3056: 2940-01-176-0579. Verify interchangeability with system specifications before substitution.

What are the specifications of AF594?

Key specifications for AF594: Corner Shape: SQUARE ALL CORNERS; Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES; Material: COPPER AND FIBER OVERALL; Body Outside Diameter: 1.8780 INCHES NOMINAL IN. 6 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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