PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

575-4000-1443959REVAPC34Bearing,sleeve

Naval Ship Systems Command · NSN 3120-00-661-6981 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-6981 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-6981. Primary manufacturer part number: 575-4000-1443959REVAPC34.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Material: OIL LUBRICATING LUBRICATION
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE ALL CORNERS
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 3120-00-661-6981, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-6981
Primary Part Number575-4000-1443959REVAPC34
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Material Document and ClassificationMIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MaterialOIL LUBRICATING LUBRICATION
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
Body Inside Diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2910-00-056-2120663180-1 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
4030-00-273-3094 INTERCHANGEABLE
Terminal,rope,swaging
5210-00-277-16175210-00-277-1617 INTERCHANGEABLE
Gage Stock,thickness
General Services Administration Federal Supply Service
4730-00-278-6319084-01592 INTERCHANGEABLE
Coupling,pipe
Rogers Brothers Corp
5930-00-467-42196667 INTERCHANGEABLE
Switch,liquid Level
Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div
4730-00-511-167711-110-000039 INTERCHANGEABLE
Coupling,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
4730-00-574-8807207ACBH-2 INTERCHANGEABLE
Coupling,pipe
Parker-Hannifin Corp Div Fluid System Connector Division
5120-00-880-0619M370 INTERCHANGEABLE
Press,grommet and Eyelet,hand-Op
Morito Scovill Americas, Llc Dba Scovill Manufacturing
4610-01-065-0488 INTERCHANGEABLE
Chlorinator
5962-01-088-5617A74-1 INTERCHANGEABLE
Microcircuit,linear
Caes Systems Llc Div Missile Systems Division
Cross-Reference Index
Part NumberManufacturer
575-4000-1443959REVAPC34 PRIMARY Naval Ship Systems Command (USA)
6667 Cae Usa Inc. (USA)
571-4000-1302254REVAPC34 PRIMARY Naval Ship Systems Command (USA)
3777-102REVAPC34 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
3671-03REVAPC34 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
479189PC5 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A741 Chrysler Corp Amplex Div (USA)
MILB5687TYPE1C0MP0SITI0NA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
366X38 General Electric Company (USA)
A741 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
6667 Raytheon Technical Services Company (USA)
Related Parts
2910-00-056-2120INTERCHANGEABLE
FILTER ELEMENT,FLUID
663180-1
4030-00-273-3094INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
5210-00-277-1617INTERCHANGEABLE
GAGE STOCK,THICKNESS
5210-00-277-1617
4730-00-278-6319INTERCHANGEABLE
COUPLING,PIPE
084-01592
5930-00-467-4219INTERCHANGEABLE
SWITCH,LIQUID LEVEL
6667
4730-00-511-1677INTERCHANGEABLE
COUPLING,PIPE
11-110-000039
4730-00-574-8807INTERCHANGEABLE
COUPLING,PIPE
207ACBH-2
5120-00-880-0619INTERCHANGEABLE
PRESS,GROMMET AND EYELET,HAND-OP
M370
4610-01-065-0488INTERCHANGEABLE
CHLORINATOR
5962-01-088-5617INTERCHANGEABLE
MICROCIRCUIT,LINEAR
A74-1
5950-01-095-6491INTERCHANGEABLE
REACTOR
986181-1B
3020-01-110-8985INTERCHANGEABLE
GEAR CLUSTER

Frequently Asked Questions

What is NSN 3120-00-661-6981?

NSN 3120-00-661-6981 is a Bearing,sleeve, manufactured by Naval Ship Systems Command, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-6981?

NSN 3120-00-661-6981 has 11 cross-referenced part numbers: 575-4000-1443959REVAPC34 (Naval Ship Systems Command), 6667 (Cae Usa Inc.), 571-4000-1302254REVAPC34 (Naval Ship Systems Command), 3777-102REVAPC34 (Electric Boat Corporation Div General Dynamics Electric Boat), 3671-03REVAPC34 (Electric Boat Corporation Div General Dynamics Electric Boat) and 6 more.

What NSN replaces 3120-00-661-6981?

There are 12 known substitutes for 3120-00-661-6981: 2910-00-056-2120, 4030-00-273-3094, 5210-00-277-1617 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 575-4000-1443959REVAPC34?

Key specifications for 575-4000-1443959REVAPC34: Material Document and Classification: MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; Material: OIL LUBRICATING LUBRICATION; Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-6981 still in active supply?

NSN 3120-00-661-6981 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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