PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103673Spacer,ring,minus F

Gerber Coburn Optical, Inc · NSN 6540-01-451-8748 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-451-8748 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-451-8748. Primary manufacturer part number: 103673.
Features
  • Spacer,ring,minus F — FSC 6540
  • General Characteristics Item Description: SPACER, RING, MINUS FRONT LENSES, OPTICAL FABRICATION; A SPACER RING FOR USE IN SURFACING MINUS FRONT LENSES WITH THE GERBER SGX GENERATOR
  • 3 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 Spacer,ring,minus F, cataloged under National Stock Number 6540-01-451-8748, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-451-8748
Primary Part Number103673
Item NameSpacer,ring,minus F
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerGerber Coburn Optical, Inc
StatusACTIVE
General Characteristics Item DescriptionSPACER, RING, MINUS FRONT LENSES, OPTICAL FABRICATION; A SPACER RING FOR USE IN SURFACING MINUS FRONT LENSES WITH THE GERBER SGX GENERATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
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
6530-01-451-990259-MNVC INTERCHANGEABLE
Cap,blood Pressure Aparatus
Edwards Lifesciences Llc
6540-01-452-0619183572 INTERCHANGEABLE
Defoamer,optical Le
Lynch Roofing and Siding Inc
5330-01-573-2545103673 INTERCHANGEABLE
Retainer,packing
Hawker Pacific Aerospace
Cross-Reference Index
Part NumberManufacturer
103673 PRIMARY Gerber Coburn Optical, Inc (USA)
97-0874 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
CAL 98 LOG Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (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
6530-01-451-9902INTERCHANGEABLE
CAP,BLOOD PRESSURE APARATUS
59-MNVC
6540-01-452-0619INTERCHANGEABLE
DEFOAMER,OPTICAL LE
183572
5330-01-573-2545INTERCHANGEABLE
RETAINER,PACKING
103673

Frequently Asked Questions

What is NSN 6540-01-451-8748?

NSN 6540-01-451-8748 is a Spacer,ring,minus F, manufactured by Gerber Coburn Optical, Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-451-8748?

NSN 6540-01-451-8748 has 3 cross-referenced part numbers: 103673 (Gerber Coburn Optical, Inc), 97-0874 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), CAL 98 LOG (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia).

What NSN replaces 6540-01-451-8748?

There are 8 known substitutes for 6540-01-451-8748: 6540-01-451-7990, 6540-01-451-8429, 6540-01-451-8668 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103673?

Key specifications for 103673: Part Name Assigned by Controlling Agency: SPACER RING MINUS FRONT LENSES OPTICAL FABRCTN GERBER SGX GENER; General Characteristics Item Description: SPACER, RING, MINUS FRONT LENSES, OPTICAL FABRICATION; A SPACER RING FOR USE IN SURFACING MINUS FRONT LENSES WITH THE GERBER SGX GENERATOR. 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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