PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186572Defoamer,optical Lens

Gerber Coburn Optical, Inc · NSN 6540-01-451-9818 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-451-9818 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-451-9818. Primary manufacturer part number: 186572.
Features
  • Defoamer,optical Lens — FSC 6540
  • General Characteristics Item Description: A 16 OZ. BOTTLE OF DEFOAMING SOLUTION; FOR USE WITH THE GERBER STEP ONE SYSTEM OZ
  • 2 verified cross-references
  • Primary manufacturer: Gerber Coburn Optical, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Defoamer,optical Lens, cataloged under National Stock Number 6540-01-451-9818, 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, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-451-9818
Primary Part Number186572
Item NameDefoamer,optical Lens
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerGerber Coburn Optical, Inc
StatusACTIVE
General Characteristics Item DescriptionA 16 OZ. BOTTLE OF DEFOAMING SOLUTION; FOR USE WITH THE GERBER STEP ONE SYSTEM OZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5307-00-335-8866186572 INTERCHANGEABLE
Stud,plain
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
6540-01-452-0619183572 INTERCHANGEABLE
Defoamer,optical Le
Lynch Roofing and Siding Inc
Cross-Reference Index
Part NumberManufacturer
97-0868 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
186572 PRIMARY Gerber Coburn Optical, Inc (USA)
Related Parts
5307-00-335-8866INTERCHANGEABLE
STUD,PLAIN
186572
6540-01-452-0619INTERCHANGEABLE
DEFOAMER,OPTICAL LE
183572

Frequently Asked Questions

What is NSN 6540-01-451-9818?

NSN 6540-01-451-9818 is a Defoamer,optical Lens, manufactured by Gerber Coburn Optical, Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-451-9818?

NSN 6540-01-451-9818 has 2 cross-referenced part numbers: 97-0868 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 186572 (Gerber Coburn Optical, Inc).

What NSN replaces 6540-01-451-9818?

There are 2 known substitutes for 6540-01-451-9818: 5307-00-335-8866, 6540-01-452-0619. Verify interchangeability with system specifications before substitution.

What are the specifications of 186572?

Key specifications for 186572: Part Name Assigned by Controlling Agency: DEFORMER OPTICAL LENSE 16OZ BTL DEFOAM SOLUTION GERBER ONE-STEP OZ; General Characteristics Item Description: A 16 OZ. BOTTLE OF DEFOAMING SOLUTION; FOR USE WITH THE GERBER STEP ONE SYSTEM OZ. 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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