FSC: 6540 — Ophthalmic Instruments, Equipment, and Supplies
FSG: 65 — Medical, Dental, and Veterinary Equipment
General Description
The Goggles,darkness Adaptation, cataloged under National Stock Number 6540-00-603-0990, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
6540-00-603-0990
Item Name
Goggles,darkness Adaptation
FSC / FSG
6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies
Status
ACTIVE
Over Other Spectacles Usage Design
INCLUDED
Frame Type
FLEXIBLE
Opaque Frame
INCLUDED
Frame Ventilation Feature
INCLUDED
Filter Lens Size
2-3/4 IN. BY 5-1/2 IN. IN
Material
PLASTIC OR RUBBER SYNTHETIC FRAME
Material
PLASTIC FILTER LENS
Filter Lens Light Transmission Wavelength Range in Millimicrons
+580.0 TO 760.0
Headband Type
ELASTIC BRAID
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
EA
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
GGG571
2/2Government specification standardization
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6540 — Ophthalmic Instruments, Equipment, and Supplies
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6540-00-001-0100
6540-00-001-0100 · Item name not on file
6540-00-001-0101
LENS,OPHTHALMIC,SPHERE
6540-00-001-0101
LENS,OPHTHALMIC,SPHERE
6540-00-001-0102
6540-00-001-0102 · Item name not on file
6540-00-001-0103
6540-00-001-0103 · Item name not on file
6540-00-001-0104
6540-00-001-0104 · Item name not on file
6540-00-001-0105
6540-00-001-0105 · Item name not on file
6540-00-001-0106
6540-00-001-0106 · Item name not on file
Frequently Asked Questions
What is NSN 6540-00-603-0990?
NSN 6540-00-603-0990 is a Goggles,darkness Adaptation, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
What are the specifications of 6540-00-603-0990?
Key specifications for 6540-00-603-0990: Over Other Spectacles Usage Design: INCLUDED; Frame Type: FLEXIBLE; Opaque Frame: INCLUDED; Frame Ventilation Feature: INCLUDED. 9 specifications are documented in the U.S. Government catalog.
Is NSN 6540-00-603-0990 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.