PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

706792Lens,optical Instrument

Naval Sea Systems Command · NSN 6650-00-315-4103 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-00-315-4103 — this item is cataloged by the U.S. Government under National Stock Number 6650-00-315-4103. Primary manufacturer part number: 706792.
Features
  • Lens,optical Instrument — FSC 6650
  • Individual Lens Style: DOUBLE CONCAVE AND DOUBLE CONVEX
  • Compound Lens Style: DOUBLET
  • Material: GLASS OPTICAL
  • Back Focal Length: 407.880 CENTIMETERS CM
  • Front Focal Length: 316.230 CENTIMETERS CM
  • Equivalent Focal Length: 368.920 CENTIMETERS CM
  • Compound Lens Overall Axial Thickness: 29.390 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Glass Optical construction
General Description

The Lens,optical Instrument, cataloged under National Stock Number 6650-00-315-4103, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-00-315-4103
Primary Part Number706792
Item NameLens,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Individual Lens StyleDOUBLE CONCAVE AND DOUBLE CONVEX
Compound Lens StyleDOUBLET
MaterialGLASS OPTICAL
Back Focal Length407.880 CENTIMETERS CM
Front Focal Length316.230 CENTIMETERS CM
Equivalent Focal Length368.920 CENTIMETERS CM
Compound Lens Overall Axial Thickness29.390 MILLIMETERS NOMINAL MM
Diameter78.230 MILLIMETERS NOMINAL MM
Axial Thickness1.2 MILLIMETERS MINIMUM AND 28.2 MILLIMETERS MAXIMUM MM
Compound Lens Edge Thickness13.6 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-00-580-9190 INTERCHANGEABLE
Plug,machine Thread
4820-01-264-9482627-02 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
706792 PRIMARY Naval Sea Systems Command (USA)
62-702 American Optical Co (USA)
706792 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5365-00-580-9190INTERCHANGEABLE
PLUG,MACHINE THREAD
4820-01-264-9482INTERCHANGEABLE
SEAT,VALVE
627-02

Frequently Asked Questions

What is NSN 6650-00-315-4103?

NSN 6650-00-315-4103 is a Lens,optical Instrument, manufactured by Naval Sea Systems Command, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-00-315-4103?

NSN 6650-00-315-4103 has 3 cross-referenced part numbers: 706792 (Naval Sea Systems Command), 62-702 (American Optical Co), 706792 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 6650-00-315-4103?

There are 2 known substitutes for 6650-00-315-4103: 5365-00-580-9190, 4820-01-264-9482. Verify interchangeability with system specifications before substitution.

What are the specifications of 706792?

Key specifications for 706792: Individual Lens Style: DOUBLE CONCAVE AND DOUBLE CONVEX; Compound Lens Style: DOUBLET; Material: GLASS OPTICAL; Back Focal Length: 407.880 CENTIMETERS CM. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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