Departure From Cited Document: AS MODIFIED BYDIAMETER
Nondefinitive Spec/std Data: 3 STYLE AND B CLASS
Identification
NSN: 6540-00-001-0586
NIIN: 000010586
FSC: 6540 — Ophthalmic Instruments, Equipment, and Supplies
FSG: 65 — Medical, Dental, and Veterinary Equipment
General Description
The Lens,ophthalmic,compound, cataloged under National Stock Number 6540-00-001-0586, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: PR.
Technical Specifications
Parameter
Value
NSN
6540-00-001-0586
Item Name
Lens,ophthalmic,compound
FSC / FSG
6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies
Status
ACTIVE
Base Curve Diopter
10.50 PLUS NOMINAL
Supplementary Features
UNCUT
Style Designator
ROUND
Diameter
71.0 MILLIMETERS MINIMUM MM
Cross-Sectional Shape Style
SPHEROCYLINDER COMPOUND
Departure From Cited Document
AS MODIFIED BYDIAMETER
Nondefinitive Spec/std Data
3 STYLE AND B CLASS
Sphere Curve Inside Diopter
5.00 PLUS MAXIMUM
Light Transmission
UNTINTED
Material
PLASTIC SINGLE VISION
Cylinder Curve Inside Diopter
3.00 MINUS MAXIMUM
Thickness
1.6 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Unit of Issue
PR
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6540-00-001-0659P7.25 ON M3.50POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
Possible match (shared part number)Dispensers Optical Service Corp
6540-00-001-0660M7.50 ON M3.50POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
Possible match (shared part number)Dispensers Optical Service Corp
6540-00-001-0727M025M025,6BC,CR-39,71MMDIAPOSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
Possible match (shared part number)Dispensers Optical Service Corp
6540-00-001-07280001207289POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
Possible match (shared part number)Dispensers Optical Service Corp
6540-00-001-0729M075M025,4BC,CR-39,71MMDIAPOSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
Possible match (shared part number)Dispensers Optical Service Corp
6540-00-001-0736M250M025,4BC,CR-39,71MMDIAPOSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
Possible match (shared part number)Dispensers Optical Service Corp
6540-00-001-07670001207671POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
Possible match (shared part number)Dispensers Optical Service Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
P5.00M3.00,10.50BC,71MM,CR-39
3/1Design control — primary reference
Atlanta/olympic Optical Co
P5.99-3.00
5/9Secondary reference
U.S. Government activity
MILL36824
4/1Identification reference
U.S. Government activity
Related Parts
6540-00-001-0659POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
P7.25 ON M3.50
6540-00-001-0660POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
M7.50 ON M3.50
6540-00-001-0727POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
M025M025,6BC,CR-39,71MMDIA
6540-00-001-0728POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
0001207289
6540-00-001-0729POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
M075M025,4BC,CR-39,71MMDIA
6540-00-001-0736POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
M250M025,4BC,CR-39,71MMDIA
6540-00-001-0767POSSIBLE MATCH
LENS,OPHTHALMIC,COMPOUND
0001207671
Frequently Asked Questions
What is NSN 6540-00-001-0586?
NSN 6540-00-001-0586 is a Lens,ophthalmic,compound, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
What NSN replaces 6540-00-001-0586?
7 possible matches (shared part number, not a government interchangeability claim): 6540-00-001-0659, 6540-00-001-0660, 6540-00-001-0727. Verify interchangeability with system specifications before substitution.
What are the specifications of 6540-00-001-0586?
Key specifications for 6540-00-001-0586: Base Curve Diopter: 10.50 PLUS NOMINAL; Supplementary Features: UNCUT; Style Designator: ROUND; Diameter: 71.0 MILLIMETERS MINIMUM MM. 12 specifications are documented in the U.S. Government catalog.
Is NSN 6540-00-001-0586 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.