PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

577C659Seal,oil,bearing

General Electric Company · NSN 2840-00-686-5740 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-686-5740 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-686-5740. Primary manufacturer part number: 577C659.
Features
  • Seal,oil,bearing — FSC 2840
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTOL DRAWING
  • 4 verified cross-references
  • Primary manufacturer: General Electric Company
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Seal,oil,bearing, cataloged under National Stock Number 2840-00-686-5740, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is General Electric Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN2840-00-686-5740
Primary Part Number577C659
Item NameSeal,oil,bearing
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SOURCE CONTOL DRAWING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-290-8525200379 INTERCHANGEABLE
Gasket
Sealcraft Corporation
4720-01-417-2371200379 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cascade Corp
6750-01-427-2128 INTERCHANGEABLE
Film,photographic
5930-01-535-2561100P41CC3 INTERCHANGEABLE
Switch,pressure
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Cross-Reference Index
Part NumberManufacturer
577C659 General Electric Company (USA)
577C659P9 General Electric Company (USA)
577C659P9 General Electric Company (USA)
200379 Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
Related Parts
5330-00-290-8525INTERCHANGEABLE
GASKET
200379
4720-01-417-2371INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
200379
6750-01-427-2128INTERCHANGEABLE
FILM,PHOTOGRAPHIC
5930-01-535-2561INTERCHANGEABLE
SWITCH,PRESSURE
100P41CC3

Frequently Asked Questions

What is NSN 2840-00-686-5740?

NSN 2840-00-686-5740 is a Seal,oil,bearing, manufactured by General Electric Company, classified under FSC 2840 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2840-00-686-5740?

NSN 2840-00-686-5740 has 4 cross-referenced part numbers: 577C659 (General Electric Company), 577C659P9 (General Electric Company), 577C659P9 (General Electric Company), 200379 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies).

What NSN replaces 2840-00-686-5740?

There are 4 known substitutes for 2840-00-686-5740: 5330-00-290-8525, 4720-01-417-2371, 6750-01-427-2128 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 577C659?

Key specifications for 577C659: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTOL DRAWING; End Item Identification: ENGINE MODEL J85. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2840-00-686-5740 still in active supply?

NSN 2840-00-686-5740 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