PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3152216Ring,retaining,optical Element

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 6650-01-065-4491 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-065-4491 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-065-4491. Primary manufacturer part number: 3152216.
Features
  • Ring,retaining,optical Element — FSC 6650
  • 3 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,retaining,optical Element, cataloged under National Stock Number 6650-01-065-4491, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,retaining,optical Element
FSC / FSG6650 — No Item Name Available (FSG 66)
ManufacturersLockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Lockheed Martin Corporation Div Rms (CAGE 02769)
Technical Specifications
ParameterValue
NSN6650-01-065-4491
Primary Part Number3152216
Item NameRing,retaining,optical Element
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-045-2676MS124657 INTERCHANGEABLE
Insert,screw Thread
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2840-00-700-4268350346 INTERCHANGEABLE
Sealing Ring,turbin
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3120-01-503-526735-346 INTERCHANGEABLE
Bearing,sleeve
Crane Carrier Company, Llc
Cross-Reference Index
Part NumberManufacturer
350346 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
3152216 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
350346 Lockheed Martin Corporation Div Rms (USA)
Related Parts
5325-00-045-2676INTERCHANGEABLE
INSERT,SCREW THREAD
MS124657
2840-00-700-4268INTERCHANGEABLE
SEALING RING,TURBIN
350346
3120-01-503-5267INTERCHANGEABLE
BEARING,SLEEVE
35-346

Frequently Asked Questions

What is NSN 6650-01-065-4491?

NSN 6650-01-065-4491 is a Ring,retaining,optical Element, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-065-4491?

NSN 6650-01-065-4491 has 3 cross-referenced part numbers: 350346 (Lockheed Martin Corporation Div Rms - Mitchel Field), 3152216 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 350346 (Lockheed Martin Corporation Div Rms).

What NSN replaces 6650-01-065-4491?

There are 3 known substitutes for 6650-01-065-4491: 5325-00-045-2676, 2840-00-700-4268, 3120-01-503-5267. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com