PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S9Pattern,ophthalmic Lens Cutting

His Vision Inc · NSN 6540-01-199-8345 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-199-8345 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-199-8345. Primary manufacturer part number: S9.
Features
  • Pattern,ophthalmic Lens Cutting — FSC 6540
  • Overall Thickness: 0.125 INCHES IN
  • Central Opening Diameter: 0.010 INCHES IN
  • Style Designator: STANDARD OVAL
  • 2 verified cross-references
  • Primary manufacturer: His Vision Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pattern,ophthalmic Lens Cutting, cataloged under National Stock Number 6540-01-199-8345, 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 His Vision Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-199-8345
Primary Part NumberS9
Item NamePattern,ophthalmic Lens Cutting
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerHis Vision Inc
StatusACTIVE
Overall Thickness0.125 INCHES IN
Central Opening Diameter0.010 INCHES IN
Style DesignatorSTANDARD OVAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
3110-00-108-9348136539-15 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3010-00-267-495514561P389 INTERCHANGEABLE
Gridmember,coupling
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5120-00-277-1802 INTERCHANGEABLE
Nutdriver
4730-00-277-8280SAE J512 5-5 060201BA INTERCHANGEABLE
Elbow,tube
Sae International Dba Sae International
5330-00-450-7396331921 INTERCHANGEABLE
Seal,plain Encased
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5999-00-615-64598899427 INTERCHANGEABLE
Retainer,electrical Shield
Us Army Aviation and Missile Command
5120-00-877-4350S9 INTERCHANGEABLE
Die,crimping Tool
Burndy Llc
5950-01-235-9530 INTERCHANGEABLE
Transformer,power
5330-01-281-3790S9 INTERCHANGEABLE
Packing,preformed
Pelican Products, Inc. Dba Pelican Products Inc
6520-01-531-0684S9 INTERCHANGEABLE
Scissors,oral Surgical
Hu-Friedy Mfg. Co., Llc
Cross-Reference Index
Part NumberManufacturer
S9 His Vision Inc (USA)
6540-01-199-8345 His Vision Inc (USA)
Related Parts
3110-00-108-9348INTERCHANGEABLE
BEARING,BALL,ANNULAR
136539-15
3010-00-267-4955INTERCHANGEABLE
GRIDMEMBER,COUPLING
14561P389
5120-00-277-1802INTERCHANGEABLE
NUTDRIVER
4730-00-277-8280INTERCHANGEABLE
ELBOW,TUBE
SAE J512 5-5 060201BA
5330-00-450-7396INTERCHANGEABLE
SEAL,PLAIN ENCASED
331921
5999-00-615-6459INTERCHANGEABLE
RETAINER,ELECTRICAL SHIELD
8899427
5120-00-877-4350INTERCHANGEABLE
DIE,CRIMPING TOOL
S9
5950-01-235-9530INTERCHANGEABLE
TRANSFORMER,POWER
5330-01-281-3790INTERCHANGEABLE
PACKING,PREFORMED
S9
6520-01-531-0684INTERCHANGEABLE
SCISSORS,ORAL SURGICAL
S9

Frequently Asked Questions

What is NSN 6540-01-199-8345?

NSN 6540-01-199-8345 is a Pattern,ophthalmic Lens Cutting, manufactured by His Vision Inc, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-199-8345?

NSN 6540-01-199-8345 has 2 cross-referenced part numbers: S9 (His Vision Inc), 6540-01-199-8345 (His Vision Inc).

What NSN replaces 6540-01-199-8345?

There are 10 known substitutes for 6540-01-199-8345: 3110-00-108-9348, 3010-00-267-4955, 5120-00-277-1802 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S9?

Key specifications for S9: Overall Thickness: 0.125 INCHES IN; Part Name Assigned by Controlling Agency: PATTERN OPHTHALMIC LENS CUTTING MALE STYLE FRAME FRONT STD OMA H; Central Opening Diameter: 0.010 INCHES IN; Special Features: PLASTIC; PATTERN FOR MALE STYLE FRAME FRONT; STANDARD O.M.A.; MOUNTING HOLES; USED WITH CELLULOSE ACETATE, MALE FRONT SPECTACLE FRONTS, NSN 6540-01-146-7823 AND OTHERS.. 5 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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