PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

171781Bearing,sleeve

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 3120-00-326-0369 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-326-0369 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-326-0369. Primary manufacturer part number: 171781.
Features
  • Bearing,sleeve — FSC 3120
  • Flange Outside Diameter: 1.5700 INCHES MINIMUM AND 1.5900 INCHES MAXIMUM IN
  • Body Outside Diameter: 1.3150 INCHES MINIMUM AND 1.3160 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.0660 INCHES MINIMUM AND 1.0700 INCHES MAXIMUM IN
  • Flange Width: 0.1140 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN
  • Lubricant Accommodation Style: GROOVED OPEN ONE END
  • Surface Finish: 200.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
  • Corner Shape: CHAMFERED INSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Inner Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-326-0369, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 23 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-326-0369
Primary Part Number171781
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusACTIVE
Flange Outside Diameter1.5700 INCHES MINIMUM AND 1.5900 INCHES MAXIMUM IN
Body Outside Diameter1.3150 INCHES MINIMUM AND 1.3160 INCHES MAXIMUM IN
Body Inside Diameter1.0660 INCHES MINIMUM AND 1.0700 INCHES MAXIMUM IN
Flange Width0.1140 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED OPEN ONE END
Surface Finish200.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE
Corner ShapeCHAMFERED INSIDE RIGHT CORNER
Surface Finish80.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeCHAMFERED OUTSIDE RIGHT CORNER
Surface Finish80.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE
Surface Finish200.0 MICROINCHES RIGHT END SURFACE OF BODY
MaterialCOPPER ALLOY INNER LAYER
Surface Finish50.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Material Document and ClassificationAMS 4820 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
MaterialSTEEL OUTER LAYER
Corner ShapeROUND LEFT FLANGE BODY CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Surface Groove Location and Quantity1 INTERNAL
Surface Finish20.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Material Document and ClassificationAMS 4820 ASSN STD SINGLE MATERIAL RESPONSE INNER LAYER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9390-00-423-6431231609N INTERCHANGEABLE
Bellows,protection
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
1080-01-183-448213226E0970-2 INTERCHANGEABLE
Net,camouflage,fiber
Cecom Lr Center
5340-01-513-469517178-1 INTERCHANGEABLE
Plate Assembly
Accurate Bushing Company, Inc.
Cross-Reference Index
Part NumberManufacturer
171781 PRIMARY Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
Related Parts
9390-00-423-6431INTERCHANGEABLE
BELLOWS,PROTECTION
231609N
1080-01-183-4482INTERCHANGEABLE
NET,CAMOUFLAGE,FIBER
13226E0970-2
5340-01-513-4695INTERCHANGEABLE
PLATE ASSEMBLY
17178-1

Frequently Asked Questions

What is NSN 3120-00-326-0369?

NSN 3120-00-326-0369 is a Bearing,sleeve, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-326-0369?

NSN 3120-00-326-0369 has 1 cross-referenced part number: 171781 (Curtiss-Wright Controls, Inc. Div Actuation Division).

What NSN replaces 3120-00-326-0369?

There are 3 known substitutes for 3120-00-326-0369: 9390-00-423-6431, 1080-01-183-4482, 5340-01-513-4695. Verify interchangeability with system specifications before substitution.

What are the specifications of 171781?

Key specifications for 171781: Flange Outside Diameter: 1.5700 INCHES MINIMUM AND 1.5900 INCHES MAXIMUM IN; Body Outside Diameter: 1.3150 INCHES MINIMUM AND 1.3160 INCHES MAXIMUM IN; Overall Length: 1.5100 INCHES MINIMUM AND 1.5300 INCHES MAXIMUM IN; Body Inside Diameter: 1.0660 INCHES MINIMUM AND 1.0700 INCHES MAXIMUM IN. 24 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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