PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1791Bearing,sleeve

Parker-Hannifin Corporation Dba Control Systems Division · NSN 3120-00-857-2462 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-857-2462 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-857-2462. Primary manufacturer part number: 1791.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 1.2477 INCHES MINIMUM AND 1.2485 INCHES MAXIMUM IN
  • Lubricant Accommodation Style: GROOVED DOUBLE LOOP AND GROOVED CIRCULAR
  • Body Inside Diameter: 1.0000 INCHES MINIMUM AND 1.0009 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-B-663 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Antirotation/lubrication Type and Quantity: 2 HOLE
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Surface Groove Location and Quantity: 1 EXTERNAL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy or Copper Alloy 606 or Copper Alloy 614 or Copper Alloy 630 or Copper Alloy 642 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-857-2462, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Control Systems Division. Government technical data includes 13 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-857-2462
Primary Part Number1791
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Control Systems Division
StatusACTIVE
Body Outside Diameter1.2477 INCHES MINIMUM AND 1.2485 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED DOUBLE LOOP AND GROOVED CIRCULAR
Body Inside Diameter1.0000 INCHES MINIMUM AND 1.0009 INCHES MAXIMUM IN
Material Document and ClassificationQQ-B-663 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Antirotation/lubrication Type and Quantity2 HOLE
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Surface Groove Location and Quantity1 EXTERNAL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY OR COPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeCHAMFERED INSIDE LEFT CORNER
Surface Finish63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner ShapeCHAMFERED INSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4530-00-001-7971 INTERCHANGEABLE
Valve,regulating,fuel Oil
2940-00-029-0388485GB3191B INTERCHANGEABLE
Filter Element,fluid
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
4130-00-066-11281791 INTERCHANGEABLE
Filter Element,air Conditioning
Supreme Supply Co Inc Dba Supreme Supply Co Inc
4935-00-167-894510175345 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Us Army Aviation and Missile Command
3610-00-288-28621791 INTERCHANGEABLE
Inking Pad,duplicating Machine
Abd Intl Inc Dba Abdick
5935-00-754-5770188326 INTERCHANGEABLE
Connector,plug,electrical
Raytheon Company
6685-01-350-1688179-1 INTERCHANGEABLE
Control,temperature,indicating
Emerson Electric Co White Rodgers Co Div
6750-01-382-0491 INTERCHANGEABLE
Paper,photographic
5340-01-493-45961791 INTERCHANGEABLE
Bracket,mounting
Perma Industries, Inc. Dba Perma-Cool
2940-01-513-15181R0739 INTERCHANGEABLE
Filter Element,fluid
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
1791 PRIMARY Parker-Hannifin Corporation Dba Control Systems Division (USA)
1791 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
1791 Sweetland Engineering Co (USA)
Related Parts
4530-00-001-7971INTERCHANGEABLE
VALVE,REGULATING,FUEL OIL
2940-00-029-0388INTERCHANGEABLE
FILTER ELEMENT,FLUID
485GB3191B
4130-00-066-1128INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
1791
4935-00-167-8945INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
10175345
3610-00-288-2862INTERCHANGEABLE
INKING PAD,DUPLICATING MACHINE
1791
5935-00-754-5770INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
188326
6685-01-350-1688INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
179-1
6750-01-382-0491INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
5340-01-493-4596INTERCHANGEABLE
BRACKET,MOUNTING
1791
2940-01-513-1518INTERCHANGEABLE
FILTER ELEMENT,FLUID
1R0739

Frequently Asked Questions

What is NSN 3120-00-857-2462?

NSN 3120-00-857-2462 is a Bearing,sleeve, manufactured by Parker-Hannifin Corporation Dba Control Systems Division, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-857-2462?

NSN 3120-00-857-2462 has 3 cross-referenced part numbers: 1791 (Parker-Hannifin Corporation Dba Control Systems Division), 1791 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), 1791 (Sweetland Engineering Co).

What NSN replaces 3120-00-857-2462?

There are 10 known substitutes for 3120-00-857-2462: 4530-00-001-7971, 2940-00-029-0388, 4130-00-066-1128 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1791?

Key specifications for 1791: Overall Length: 0.9800 INCHES MINIMUM AND 0.9900 INCHES MAXIMUM IN; Body Outside Diameter: 1.2477 INCHES MINIMUM AND 1.2485 INCHES MAXIMUM IN; Lubricant Accommodation Style: GROOVED DOUBLE LOOP AND GROOVED CIRCULAR; Body Inside Diameter: 1.0000 INCHES MINIMUM AND 1.0009 INCHES MAXIMUM IN. 14 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