PartsTable TECHNICAL DATA SHEET
NSN 6650-01-055-8285Government record, cited

Ring, Retaining, Optical Element6650-01-055-8285

NSN 6650-01-055-8285 · NIIN 010558285 · Part number 10276586
Us Army Aviation and Missile Command · FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment · CAGE 18876
Government record, cited
NSN 6650-01-055-8285 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-055-8285. Manufacturer of record part number: 10276586.
Also searched as  6650-01-055-8285 · 6650010558285 · NIIN 010558285 · 01-055-8285 · FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · CAGE 18876 · 10276586
Nearby stock numbers  ·
Features
  • Ring,retaining,optical Element — FSC 6650
  • Internal Flange Thickness: 0.085 INCHES NOMINAL IN
  • Outside Diameter: 2.100 INCHES NOMINAL IN
  • Aperture Diameter: 1.775 INCHES NOMINAL IN
  • Material: PLASTIC
  • 1 manufacturer part number on file
  • Manufacturer of record: Us Army Aviation and Missile Command
Identification
  • NSN: 6650-01-055-8285
  • NIIN: 010558285
  • FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 10276586
  • Manufacturer: Us Army Aviation and Missile Command
General Description

The Ring,retaining,optical Element, cataloged under National Stock Number 6650-01-055-8285, 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 Us Army Aviation and Missile Command. 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
ParameterValue
NSN6650-01-055-8285
Primary Part Number10276586
Item NameRing,retaining,optical Element
FSC / FSG6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Internal Flange Thickness0.085 INCHES NOMINAL IN
Outside Diameter2.100 INCHES NOMINAL IN
Aperture Diameter1.775 INCHES NOMINAL IN
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
10276586 PRIMARY Us Army Aviation and Missile Command (USA)
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 6650-01-055-8285?

NSN 6650-01-055-8285 is a Ring,retaining,optical Element, manufactured by Us Army Aviation and Missile Command, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.

What part numbers are listed for NSN 6650-01-055-8285?

NSN 6650-01-055-8285 has 1 manufacturer part number on file: 10276586 (Us Army Aviation and Missile Command).

What are the specifications of 10276586?

Key specifications for 10276586: Internal Flange Thickness: 0.085 INCHES NOMINAL IN; Overall Length: 0.370 INCHES NOMINAL IN; Outside Diameter: 2.100 INCHES NOMINAL IN; Aperture Diameter: 1.775 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 6650-01-055-8285 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.
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