NSN 6650-01-366-6795 · NIIN 013666795 · Part number HS020921-003-00
Boeing Company, the Dba Boeing · FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment · CAGE 51215
Government record, cited
NSN 6650-01-366-6795 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-366-6795. Manufacturer of record part number: HS020921-003-00.
Also searched as6650-01-366-6795 ·
6650013666795 ·
NIIN 013666795 ·
01-366-6795 ·
FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · CAGE 51215 · HS020921-003-00
Nearby stock numbers← 6650-01-366-6794 Ring, Retaining, Optical Element
·
6650-01-366-7323 Ring, Retaining, Optical Element →
Features
Ring,retaining,optical Element — FSC 6650
Internal Flange Thickness: 0.674 INCHES NOMINAL IN
Outside Diameter: 2.250 INCHES NOMINAL IN
Aperture Diameter: 2.000 INCHES NOMINAL IN
Material: ALUMINUM ALLOY 6061
1 manufacturer part number on file
Manufacturer of record: Boeing Company, the Dba Boeing
Identification
NSN: 6650-01-366-6795
NIIN: 013666795
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: HS020921-003-00
Manufacturer: Boeing Company, the Dba Boeing
General Description
The Ring,retaining,optical Element, cataloged under National Stock Number 6650-01-366-6795, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Boeing Company, the Dba Boeing. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6650-01-366-6795
Primary Part Number
HS020921-003-00
Item Name
Ring,retaining,optical Element
FSC / FSG
6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
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 6650-01-366-6795?
NSN 6650-01-366-6795 is a Ring,retaining,optical Element, manufactured by Boeing Company, the Dba Boeing, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
What part numbers are listed for NSN 6650-01-366-6795?
NSN 6650-01-366-6795 has 1 manufacturer part number on file: HS020921-003-00 (Boeing Company, the Dba Boeing).
What are the specifications of HS020921-003-00?
Key specifications for HS020921-003-00: Internal Flange Thickness: 0.674 INCHES NOMINAL IN; Outside Diameter: 2.250 INCHES NOMINAL IN; Aperture Diameter: 2.000 INCHES NOMINAL IN; End Item Identification: 4925-01-210-4561TEST SET,OPTICAL SIMULATOR. 4 specifications are documented in the U.S. Government catalog.
Is NSN 6650-01-366-6795 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.
What is the DEMIL code for NSN 6650-01-366-6795?
NSN 6650-01-366-6795 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.