PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

02304Valve Assembly,ophthalmic Lens B

Gerber Coburn Optical Industries Inc · NSN 6540-00-140-1913 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-00-140-1913 — this item is cataloged by the U.S. Government under National Stock Number 6540-00-140-1913. Primary manufacturer part number: 02304.
Features
  • Valve Assembly,ophthalmic Lens B — FSC 6540
  • General Characteristics Item Description: C/O 1 STEM,1 WASHER,1 BODY,1 PACKING,PREFORMED,1 SCREW,1 KNOB,1 HEATER,1 PLUG BUTTON,1 NIPPLE
  • 1 verified cross-reference
  • Primary manufacturer: Gerber Coburn Optical Industries Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,ophthalmic Lens B, cataloged under National Stock Number 6540-00-140-1913, is classified within Federal Supply Class 6540 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Gerber Coburn Optical Industries Inc. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-00-140-1913
Primary Part Number02304
Item NameValve Assembly,ophthalmic Lens B
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerGerber Coburn Optical Industries Inc
StatusACTIVE
General Characteristics Item DescriptionC/O 1 STEM,1 WASHER,1 BODY,1 PACKING,PREFORMED,1 SCREW,1 KNOB,1 HEATER,1 PLUG BUTTON,1 NIPPLE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-227-8698 (02304)
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5340-00-227-869802304 SUCCESSOR
Clamp,loop
Anchor Post Products Inc of California Sub of Ppa Industries Inc
5940-00-983-6045 INTERCHANGEABLE
Terminal Board
5975-01-257-5665394 INTERCHANGEABLE
Bushing,electrical Conductor
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
02304 Gerber Coburn Optical Industries Inc (USA)
Related Parts
SUCCESSOR 5340-00-227-8698 Clamp,loop · 02304
5940-00-983-6045INTERCHANGEABLE
TERMINAL BOARD
5975-01-257-5665INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUCTOR
394

Frequently Asked Questions

What is NSN 6540-00-140-1913?

NSN 6540-00-140-1913 is a Valve Assembly,ophthalmic Lens B, manufactured by Gerber Coburn Optical Industries Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-00-140-1913?

NSN 6540-00-140-1913 has 1 cross-referenced part number: 02304 (Gerber Coburn Optical Industries Inc).

What NSN replaces 6540-00-140-1913?

There are 3 known substitutes for 6540-00-140-1913: 5340-00-227-8698, 5940-00-983-6045, 5975-01-257-5665. Verify interchangeability with system specifications before substitution.

What are the specifications of 02304?

Key specifications for 02304: General Characteristics Item Description: C/O 1 STEM,1 WASHER,1 BODY,1 PACKING,PREFORMED,1 SCREW,1 KNOB,1 HEATER,1 PLUG BUTTON,1 NIPPLE; Part Name Assigned by Controlling Agency: VALVE ASSEMBLY OPHTHALMIC LENS BLOCKING UNIT. 2 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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