PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

348349Bearing,sleeve

A and M Aerospace, Inc. · NSN 3120-00-662-0559 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-0559 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-0559. Primary manufacturer part number: 348349.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Surface Groove Location and Quantity: 1 EXTERNAL
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Body Outside Diameter: 1.4381 INCHES MINIMUM AND 1.4390 INCHES MAXIMUM IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Antirotation/lubrication Type and Quantity: 3 HOLE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 8630 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-662-0559, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is A and M Aerospace, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN3120-00-662-0559
Primary Part Number348349
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerA and M Aerospace, Inc.
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface Groove Location and Quantity1 EXTERNAL
Lubricant Accommodation StyleGROOVED CIRCULAR
Body Outside Diameter1.4381 INCHES MINIMUM AND 1.4390 INCHES MAXIMUM IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Corner ShapeSQUARE ALL CORNERS
Antirotation/lubrication Type and Quantity3 HOLE
MaterialSTEEL COMP 8630 OVERALL
Hole Diameter0.1230 INCHES MINIMUM AND 0.1280 INCHES MAXIMUM FIRST IN
Surface Finish100.0 MICROINCHES OVERALL
Body Inside Diameter1.0130 INCHES MINIMUM AND 1.0260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5820-00-305-2008P7767520REV3PT1 INTERCHANGEABLE
Selector Control Subassembly
General Electric Company
3040-00-374-189023100 INTERCHANGEABLE
Shaft,shouldered
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5310-00-575-595423517 INTERCHANGEABLE
Nut,front Bearing
Meggitt (new Hampshire), Inc
5340-01-137-128523517 INTERCHANGEABLE
Bracket Assembly,di
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5975-01-386-844323517 INTERCHANGEABLE
Cable Nipple,electrical
Waytek Inc
4820-01-473-359423517 INTERCHANGEABLE
Disk,valve
Ingersoll-Rand Co Material Handling Div
5120-01-493-783123517 INTERCHANGEABLE
Sprocket Wrench
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
6105-01-513-771523517 INTERCHANGEABLE
Motor,alternating Current
Ridge Tool Company
4330-01-555-136423517 INTERCHANGEABLE
Filter Assembly,fluid
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5340-01-669-4873348349 INTERCHANGEABLE
Cap,protective,dust and Moisture
Kidde Technologies, Inc Div Kidde Aerospace and Defense
Cross-Reference Index
Part NumberManufacturer
348349 Lockheed Martin Corp (USA)
3120PL1024143 Jednolity Indeks Materialowy - Uniform Material Index (POL)
348349 Caprice Engineering Company, Inc. (USA)
348349 PRIMARY A and M Aerospace, Inc. (USA)
23517 Master Machine Products Corp (USA)
Related Parts
5820-00-305-2008INTERCHANGEABLE
SELECTOR CONTROL SUBASSEMBLY
P7767520REV3PT1
3040-00-374-1890INTERCHANGEABLE
SHAFT,SHOULDERED
23100
5310-00-575-5954INTERCHANGEABLE
NUT,FRONT BEARING
23517
5340-01-137-1285INTERCHANGEABLE
BRACKET ASSEMBLY,DI
23517
5975-01-386-8443INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
23517
4820-01-473-3594INTERCHANGEABLE
DISK,VALVE
23517
5120-01-493-7831INTERCHANGEABLE
SPROCKET WRENCH
23517
6105-01-513-7715INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
23517
4330-01-555-1364INTERCHANGEABLE
FILTER ASSEMBLY,FLUID
23517
5340-01-669-4873INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
348349

Frequently Asked Questions

What is NSN 3120-00-662-0559?

NSN 3120-00-662-0559 is a Bearing,sleeve, manufactured by A and M Aerospace, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-662-0559?

NSN 3120-00-662-0559 has 5 cross-referenced part numbers: 348349 (Lockheed Martin Corp), 3120PL1024143 (Jednolity Indeks Materialowy - Uniform Material Index), 348349 (Caprice Engineering Company, Inc.), 348349 (A and M Aerospace, Inc.), 23517 (Master Machine Products Corp).

What NSN replaces 3120-00-662-0559?

There are 10 known substitutes for 3120-00-662-0559: 5820-00-305-2008, 3040-00-374-1890, 5310-00-575-5954 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 348349?

Key specifications for 348349: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Surface Groove Location and Quantity: 1 EXTERNAL; Lubricant Accommodation Style: GROOVED CIRCULAR; Overall Length: 1.3100 INCHES NOMINAL IN. 12 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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