FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment
Government record, cited
Also searched as6650-01-554-0605 ·
6650015540605 ·
NIIN 015540605 ·
01-554-0605 ·
FSC 6650 Optical Instruments, Test Equipment, Components and Accessories
Nearby stock numbers← 6650-01-554-0603 Mount Subassembly
·
6650-01-554-0606 Mount Subassembly →
Features
Mount Subassembly — FSC 6650
Component Quantity: 5
Major Components: 4-40 SCREWLOCK
Overall Diameter: 0.187 INCHES NOMINAL IN
Mounting Method: SCREW
Usage Design: 160-16F-ND
Identification
NSN: 6650-01-554-0605
NIIN: 015540605
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Mount Subassembly, cataloged under National Stock Number 6650-01-554-0605, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
6650-01-554-0605
Item Name
Mount Subassembly
FSC / FSG
6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
Status
ACTIVE
Component Quantity
5
Major Components
4-40 SCREWLOCK
Overall Diameter
0.187 INCHES NOMINAL IN
Mounting Method
SCREW
Usage Design
160-16F-ND
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
160-16F-ND
3/9Design control — primary reference
Digi-Key Corp
No interchangeability data on file.
Other items in FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6650-00-000-0164
6650-00-000-0164 · Item name not on file
6650-00-001-2319
ARM,SHUTTER,SPECTROMETER
6650-00-001-2322
PLATE,MOUNTING,SPECTROMETER LAMP
6650-00-001-2323
LENS,OPTICAL INSTRUMENT
6650-00-001-2324
PLATE,SPECTROMETER DOOR
6650-00-001-2326
NOZZLE,AIR,SPECTROMETER
6650-00-001-2327
PLATE,LEFT,SPECTROMETER
6650-00-001-2328
6650-00-001-2328 · Item name not on file
Frequently Asked Questions
What is NSN 6650-01-554-0605?
NSN 6650-01-554-0605 is a Mount Subassembly, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
What are the specifications of 6650-01-554-0605?
Key specifications for 6650-01-554-0605: Component Quantity: 5; Major Components: 4-40 SCREWLOCK; Overall Diameter: 0.187 INCHES NOMINAL IN; Mounting Method: SCREW. 5 specifications are documented in the U.S. Government catalog.
Is NSN 6650-01-554-0605 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.