PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

183572Defoamer,optical Le

Lynch Roofing and Siding Inc · NSN 6540-01-452-0619 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-452-0619 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-452-0619. Primary manufacturer part number: 183572.
Features
  • Defoamer,optical Le — FSC 6540
  • General Characteristics Item Description: 16 OZ. BOTTLE OF DEFOAMING SOLUTION FOR USE WITH GERBER STEP ONE SYSTEM OZ
  • 3 verified cross-references
  • Primary manufacturer: Lynch Roofing and Siding Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Defoamer,optical Le, cataloged under National Stock Number 6540-01-452-0619, 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 Lynch Roofing and Siding Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-452-0619
Primary Part Number183572
Item NameDefoamer,optical Le
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerLynch Roofing and Siding Inc
StatusACTIVE
General Characteristics Item Description16 OZ. BOTTLE OF DEFOAMING SOLUTION FOR USE WITH GERBER STEP ONE SYSTEM OZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
6540-01-451-7990178901 INTERCHANGEABLE
Blocking Ring Kit,0
Gerber Coburn Optical, Inc
6540-01-451-8429172231 INTERCHANGEABLE
Filter,polybag,dust
Gerber Coburn Optical, Inc
6540-01-451-8668129662 INTERCHANGEABLE
Holder,magnetic,opt
Gerber Coburn Optical, Inc
6540-01-451-8725143133 INTERCHANGEABLE
Holder,optical,laps
Gerber Coburn Optical, Inc
6540-01-451-8740109473 INTERCHANGEABLE
Spacer,ring,multifo
Gerber Coburn Optical, Inc
6540-01-451-8748103673 INTERCHANGEABLE
Spacer,ring,minus F
Gerber Coburn Optical, Inc
6540-01-451-9818186572 INTERCHANGEABLE
Defoamer,optical Lens
Gerber Coburn Optical, Inc
6530-01-451-990259-MNVC INTERCHANGEABLE
Cap,blood Pressure Aparatus
Edwards Lifesciences Llc
2590-01-548-9280 INTERCHANGEABLE
Pad,cushioning
Cross-Reference Index
Part NumberManufacturer
97-0868 Gerber Coburn Optical, Inc (USA)
CAL 98 LOG Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
183572 PRIMARY Lynch Roofing and Siding Inc (USA)
Related Parts
6540-01-451-7990INTERCHANGEABLE
BLOCKING RING KIT,0
178901
6540-01-451-8429INTERCHANGEABLE
FILTER,POLYBAG,DUST
172231
6540-01-451-8668INTERCHANGEABLE
HOLDER,MAGNETIC,OPT
129662
6540-01-451-8725INTERCHANGEABLE
HOLDER,OPTICAL,LAPS
143133
6540-01-451-8740INTERCHANGEABLE
SPACER,RING,MULTIFO
109473
6540-01-451-8748INTERCHANGEABLE
SPACER,RING,MINUS F
103673
6540-01-451-9818INTERCHANGEABLE
DEFOAMER,OPTICAL LENS
186572
6530-01-451-9902INTERCHANGEABLE
CAP,BLOOD PRESSURE APARATUS
59-MNVC
2590-01-548-9280INTERCHANGEABLE
PAD,CUSHIONING

Frequently Asked Questions

What is NSN 6540-01-452-0619?

NSN 6540-01-452-0619 is a Defoamer,optical Le, manufactured by Lynch Roofing and Siding Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-452-0619?

NSN 6540-01-452-0619 has 3 cross-referenced part numbers: 97-0868 (Gerber Coburn Optical, Inc), CAL 98 LOG (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 183572 (Lynch Roofing and Siding Inc).

What NSN replaces 6540-01-452-0619?

There are 9 known substitutes for 6540-01-452-0619: 6540-01-451-7990, 6540-01-451-8429, 6540-01-451-8668 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 183572?

Key specifications for 183572: Part Name Assigned by Controlling Agency: 97-0868; General Characteristics Item Description: 16 OZ. BOTTLE OF DEFOAMING SOLUTION FOR USE WITH 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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