PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16508Bearing,sleeve

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division · NSN 3120-00-355-3981 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-355-3981 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-355-3981. Primary manufacturer part number: 16508.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Material: OIL LUBRICATING LUBRICATION
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: SAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
  • Hardness Rating: 25.0 ROCKWELL H MINIMUM AND 50.0 ROCKWELL H MAXIMUM OVERALL
  • Body Outside Diameter: 1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-355-3981, 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 Pneutronics Div Hydraulic Pump Division. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-355-3981
Primary Part Number16508
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
StatusCANCELLED
Corner ShapeSQUARE ALL CORNERS
MaterialOIL LUBRICATING LUBRICATION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationSAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
Hardness Rating25.0 ROCKWELL H MINIMUM AND 50.0 ROCKWELL H MAXIMUM OVERALL
Body Outside Diameter1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
Body Inside Diameter0.8775 INCHES MINIMUM AND 0.8785 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-110-958916508 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5305-00-150-9629 INTERCHANGEABLE
Screw,machine
5940-00-225-8050013-1009-59-9 INTERCHANGEABLE
Terminal,stud
Itt Cannon Rf Products
5935-00-868-3893 INTERCHANGEABLE
Connector,receptacle,electrical
5305-01-071-8654 INTERCHANGEABLE
Screw,machine
5305-01-098-982216508 INTERCHANGEABLE
Screw
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5915-01-585-127416508 INTERCHANGEABLE
Filter,band Pass-Band Suppressio
Microwave Filter Co Inc
6515-01-592-1473900.722 INTERCHANGEABLE
Guide Wire,bone Screw
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16508 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
16508 Compair Kellogg Div of Robertshaw Controls Co (USA)
Related Parts
5330-00-110-9589INTERCHANGEABLE
GASKET
16508
5305-00-150-9629INTERCHANGEABLE
SCREW,MACHINE
5940-00-225-8050INTERCHANGEABLE
TERMINAL,STUD
013-1009-59-9
5935-00-868-3893INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5305-01-071-8654INTERCHANGEABLE
SCREW,MACHINE
5305-01-098-9822INTERCHANGEABLE
SCREW
16508
5915-01-585-1274INTERCHANGEABLE
FILTER,BAND PASS-BAND SUPPRESSIO
16508
6515-01-592-1473INTERCHANGEABLE
GUIDE WIRE,BONE SCREW
900.722

Frequently Asked Questions

What is NSN 3120-00-355-3981?

NSN 3120-00-355-3981 is a Bearing,sleeve, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-355-3981?

NSN 3120-00-355-3981 has 2 cross-referenced part numbers: 16508 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), 16508 (Compair Kellogg Div of Robertshaw Controls Co).

What NSN replaces 3120-00-355-3981?

There are 8 known substitutes for 3120-00-355-3981: 5330-00-110-9589, 5305-00-150-9629, 5940-00-225-8050 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16508?

Key specifications for 16508: Corner Shape: SQUARE ALL CORNERS; Material: OIL LUBRICATING LUBRICATION; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: COPPER ALLOY OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-355-3981 still in active supply?

NSN 3120-00-355-3981 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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