PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7559Stopcock,laboratory Apparatus

Corning Glass Works · NSN 6640-00-728-6961 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-728-6961 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-728-6961. Primary manufacturer part number: 7559.
Features
  • Stopcock,laboratory Apparatus — FSC 6640
  • Bore Diameter: 2.00 MILLIMETERS NOMINAL MM
  • Style Designator: SINGLE STRAIGHT BORE
  • Tube Type: CAPILLARY
  • 1 verified cross-reference
  • Primary manufacturer: Corning Glass Works
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stopcock,laboratory Apparatus, cataloged under National Stock Number 6640-00-728-6961, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Corning Glass Works. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-728-6961
Primary Part Number7559
Item NameStopcock,laboratory Apparatus
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerCorning Glass Works
StatusCANCELLED
Bore Diameter2.00 MILLIMETERS NOMINAL MM
Style DesignatorSINGLE STRAIGHT BORE
Tube TypeCAPILLARY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5920-00-012-0151 INTERCHANGEABLE
Fuse,cartridge
2915-00-428-4579 INTERCHANGEABLE
Lever,control
5940-00-487-05975411-1 INTERCHANGEABLE
Terminal,lug
Seastrom Manufacturing Co Inc
5935-00-500-83993100 INTERCHANGEABLE
Connector,plug,electrical
Hubbell-Raco Inc
5360-00-514-31137559 INTERCHANGEABLE
Spring,helical,extension
Te Connectivity Corporation
3030-00-528-3798 INTERCHANGEABLE
Belt,v
5962-01-019-402210515BEAJC INTERCHANGEABLE
Microcircuit,linear
Freescale Semiconductor, Inc.
4910-01-026-4094 INTERCHANGEABLE
Tester Mityvac
5950-01-095-4702P07559 INTERCHANGEABLE
Reactor
Snc Manufacturing Co., Inc. Dba Allient Oshkosh
2540-01-217-27987559 INTERCHANGEABLE
Mirror Assembly,rearview
Truck-Lite Co., Llc
Cross-Reference Index
Part NumberManufacturer
7559 Corning Glass Works (USA)
Related Parts
5920-00-012-0151INTERCHANGEABLE
FUSE,CARTRIDGE
2915-00-428-4579INTERCHANGEABLE
LEVER,CONTROL
5940-00-487-0597INTERCHANGEABLE
TERMINAL,LUG
5411-1
5935-00-500-8399INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3100
5360-00-514-3113INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
7559
3030-00-528-3798INTERCHANGEABLE
BELT,V
5962-01-019-4022INTERCHANGEABLE
MICROCIRCUIT,LINEAR
10515BEAJC
4910-01-026-4094INTERCHANGEABLE
TESTER MITYVAC
5950-01-095-4702INTERCHANGEABLE
REACTOR
P07559
2540-01-217-2798INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
7559
4720-01-308-0762INTERCHANGEABLE
HOSE,PREFORMED
20820

Frequently Asked Questions

What is NSN 6640-00-728-6961?

NSN 6640-00-728-6961 is a Stopcock,laboratory Apparatus, manufactured by Corning Glass Works, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-728-6961?

NSN 6640-00-728-6961 has 1 cross-referenced part number: 7559 (Corning Glass Works).

What NSN replaces 6640-00-728-6961?

There are 11 known substitutes for 6640-00-728-6961: 5920-00-012-0151, 2915-00-428-4579, 5940-00-487-0597 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7559?

Key specifications for 7559: Bore Diameter: 2.00 MILLIMETERS NOMINAL MM; Style Designator: SINGLE STRAIGHT BORE; Special Features: HIGH VACUUM,W/STD TAPER GLASS PLUG; Tube Type: CAPILLARY. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-728-6961 still in active supply?

NSN 6640-00-728-6961 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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