PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

031518Lens,optical Instrument

Pilkington Optrnics Incrprtion · NSN 6650-01-193-8979 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-193-8979 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-193-8979. Primary manufacturer part number: 031518.
Features
  • Lens,optical Instrument — FSC 6650
  • Material: GLASS OPTICAL
  • Single Lens Style: MENISCUS
  • 2 verified cross-references
  • Primary manufacturer: Pilkington Optrnics Incrprtion
Applications
  • Applications requiring Glass Optical construction
General Description

The Lens,optical Instrument, cataloged under National Stock Number 6650-01-193-8979, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Pilkington Optrnics Incrprtion. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-193-8979
Primary Part Number031518
Item NameLens,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerPilkington Optrnics Incrprtion
StatusACTIVE
MaterialGLASS OPTICAL
Single Lens StyleMENISCUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6530-01-512-310651572 INTERCHANGEABLE
Bag,hot Water-Ice
Mckesson Medical-Surgical Government Solutions Llc
Cross-Reference Index
Part NumberManufacturer
031518 Pilkington Optrnics Incrprtion (USA)
031518 Qioptiq Ltd (GBR)
Related Parts
6530-01-512-3106INTERCHANGEABLE
BAG,HOT WATER-ICE
51572

Frequently Asked Questions

What is NSN 6650-01-193-8979?

NSN 6650-01-193-8979 is a Lens,optical Instrument, manufactured by Pilkington Optrnics Incrprtion, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-193-8979?

NSN 6650-01-193-8979 has 2 cross-referenced part numbers: 031518 (Pilkington Optrnics Incrprtion), 031518 (Qioptiq Ltd).

What NSN replaces 6650-01-193-8979?

There is 1 known substitute for 6650-01-193-8979: 6530-01-512-3106. Verify interchangeability with system specifications before substitution.

What are the specifications of 031518?

Key specifications for 031518: Material: GLASS OPTICAL; End Item Identification: F-16C/D ACFT; Single Lens Style: MENISCUS. 3 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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