PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S7-2Cup,lower Ball Bearing

Schulze Mfg., Inc. · NSN 6680-00-399-1926 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-399-1926 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-399-1926. Primary manufacturer part number: S7-2.
Features
  • Cup,lower Ball Bearing — FSC 6680
  • 27 verified cross-references
  • Primary manufacturer: Schulze Mfg., Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Cup,lower Ball Bearing, cataloged under National Stock Number 6680-00-399-1926, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Schulze Mfg., Inc.. This item has 27 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-399-1926
Primary Part NumberS7-2
Item NameCup,lower Ball Bearing
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerSchulze Mfg., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3455-00-540-2290TABLE 39, D3/8IN INTERCHANGEABLE
Cutter,milling,end
The American Society of Mechanical Engineers
5930-01-298-35291559AS295 INTERCHANGEABLE
Switch Assembly
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6515-01-607-5764 INTERCHANGEABLE
Omni Transducer
Cross-Reference Index
Part NumberManufacturer
S10-2 Schulze Mfg., Inc. (USA)
N25205PC8 Jones Instrument Corp (USA)
N9509PC28 Jones Instrument Corp (USA)
HR6098 Jones Instrument Corp (USA)
N7463BPC45 Jones Instrument Corp (USA)
1190PC2 Jones Instrument Corp (USA)
N25205PC8 General Motors Llc Dba General Motors Llc (USA)
MEAFB4578APC41 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
3214005 General Motors Llc Dba General Motors Llc (USA)
J Jones Instrument Corp (USA)
S10-2 Jones Instrument Corp (USA)
1190JS8 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
J Fairbanks Morse, Llc (USA)
J Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
MEAFB4578APC41 Jones Instrument Corp (USA)
S7-2 Jones Instrument Corp (USA)
1190JS8 Jones Instrument Corp (USA)
S7-2 PRIMARY Schulze Mfg., Inc. (USA)
N8158PC1594 Jones Instrument Corp (USA)
HR22443 Jones Instrument Corp (USA)
Related Parts
3455-00-540-2290INTERCHANGEABLE
CUTTER,MILLING,END
TABLE 39, D3/8IN
5930-01-298-3529INTERCHANGEABLE
SWITCH ASSEMBLY
1559AS295
6515-01-607-5764INTERCHANGEABLE
OMNI TRANSDUCER

Frequently Asked Questions

What is NSN 6680-00-399-1926?

NSN 6680-00-399-1926 is a Cup,lower Ball Bearing, manufactured by Schulze Mfg., Inc., classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-399-1926?

NSN 6680-00-399-1926 has 27 cross-referenced part numbers: S10-2 (Schulze Mfg., Inc.), N25205PC8 (Jones Instrument Corp), N9509PC28 (Jones Instrument Corp), HR6098 (Jones Instrument Corp), N7463BPC45 (Jones Instrument Corp) and 22 more.

What NSN replaces 6680-00-399-1926?

There are 3 known substitutes for 6680-00-399-1926: 3455-00-540-2290, 5930-01-298-3529, 6515-01-607-5764. Verify interchangeability with system specifications before substitution.

What are the specifications of S7-2?

Key specifications for S7-2: End Item Identification: POSEIDON. 1 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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