PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1800288Bearing,washer,thrust

Northrop Grumman Systems Corporation · NSN 3120-00-590-7991 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-590-7991 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-590-7991. Primary manufacturer part number: 1800288.
Features
  • Bearing,washer,thrust — FSC 3120
  • Overall Thickness: 0.1870 INCHES NOMINAL IN
  • Material: OIL LUBRICATING LUBRICATION
  • Style Designator: ROUND
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY OVERALL
  • Surface Finish: 63.0 MICROINCHES RIGHT SIDE
  • Surface Finish: 63.0 MICROINCHES LEFT SIDE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-590-7991, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-590-7991
Primary Part Number1800288
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Overall Thickness0.1870 INCHES NOMINAL IN
MaterialOIL LUBRICATING LUBRICATION
Style DesignatorROUND
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY OVERALL
Surface Finish63.0 MICROINCHES RIGHT SIDE
Surface Finish63.0 MICROINCHES LEFT SIDE
Center Hole Shape StyleROUND
Diameter0.5050 INCHES NOMINAL IN
Outside Diameter0.8750 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3120-00-056-9792 INTERCHANGEABLE
Bearing,sleeve
3120-00-287-6899 INTERCHANGEABLE
Bearing,sleeve
3120-01-374-7066 INTERCHANGEABLE
Bearing,sleeve
6685-01-714-2081T801 INTERCHANGEABLE
Thermostat,flow Control
Pro1 Iaq Inc.
Cross-Reference Index
Part NumberManufacturer
1800288 Northrop Grumman Systems Corporation (USA)
TT801 Eagle-Picher Industries Inc Kingwell Div (USA)
803-6397421 PC 97 Naval Sea Systems Command (USA)
732-06-038 Logetronics Corporation (USA)
18800288-12 Northrop Grumman Systems Corporation (USA)
TT801 Bunting Bearings Corp (USA)
TT801 Beemer Precision Inc (USA)
TT801 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
T801 Chrysler Corp Amplex Div (USA)
TB814 Altra Industrial Motion Corp. (USA)
ASTM B438-08 American Society for Testing and Materials Dba Astm International (USA)
SLT528-6 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
64A66B22 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
SG818-LU-MMA-010 FIG 7-13-42 Naval Sea Systems Command (USA)
73-3-104 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
540269-012 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
1800288-12 Northrop Grumman Systems Corporation (USA)
TT801 Chrysler Corp Amplex Div (USA)
ENCS74820-0016 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3120-00-056-9792INTERCHANGEABLE
BEARING,SLEEVE
3120-00-287-6899INTERCHANGEABLE
BEARING,SLEEVE
3120-01-374-7066INTERCHANGEABLE
BEARING,SLEEVE
6685-01-714-2081INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
T801

Frequently Asked Questions

What is NSN 3120-00-590-7991?

NSN 3120-00-590-7991 is a Bearing,washer,thrust, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-590-7991?

NSN 3120-00-590-7991 has 21 cross-referenced part numbers: 1800288 (Northrop Grumman Systems Corporation), TT801 (Eagle-Picher Industries Inc Kingwell Div), 803-6397421 PC 97 (Naval Sea Systems Command), 732-06-038 (Logetronics Corporation), 18800288-12 (Northrop Grumman Systems Corporation) and 16 more.

What NSN replaces 3120-00-590-7991?

There are 4 known substitutes for 3120-00-590-7991: 3120-00-056-9792, 3120-00-287-6899, 3120-01-374-7066 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1800288?

Key specifications for 1800288: Overall Thickness: 0.1870 INCHES NOMINAL IN; Material: OIL LUBRICATING LUBRICATION; Style Designator: ROUND; Corner Shape: SQUARE ALL CORNERS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-590-7991 still in active supply?

NSN 3120-00-590-7991 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.
PartsTable Design LLC · partstable.com