PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A392Cap,lens

Lightforce Usa, Incorporated Div Mil-Gov-Le · NSN 6650-01-681-7805 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-681-7805 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-681-7805. Primary manufacturer part number: A392.
Features
  • Cap,lens — FSC 6650
  • Functional Description: FLIPS UP ALLOWING USE OF OPTICS WITHOUT REMOVAL
  • Supplementary Features: FOR 50 MILIMETER OBJECTIVE LENSE
  • 1 verified cross-reference
  • Primary manufacturer: Lightforce Usa, Incorporated Div Mil-Gov-Le
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,lens, cataloged under National Stock Number 6650-01-681-7805, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lightforce Usa, Incorporated Div Mil-Gov-Le. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-681-7805
Primary Part NumberA392
Item NameCap,lens
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerLightforce Usa, Incorporated Div Mil-Gov-Le
StatusACTIVE
Functional DescriptionFLIPS UP ALLOWING USE OF OPTICS WITHOUT REMOVAL
Supplementary FeaturesFOR 50 MILIMETER OBJECTIVE LENSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-00-683-8574A392 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5950-01-125-6323278-0430-290 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-01-438-8747TMS-8954 INTERCHANGEABLE
Packing Nut
Clark-Reliance Llc Dba Jacoby-Tarbox
Cross-Reference Index
Part NumberManufacturer
A392 PRIMARY Lightforce Usa, Incorporated Div Mil-Gov-Le (USA)
Related Parts
4320-00-683-8574INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A392
5950-01-125-6323INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0430-290
4730-01-438-8747INTERCHANGEABLE
PACKING NUT
TMS-8954

Frequently Asked Questions

What is NSN 6650-01-681-7805?

NSN 6650-01-681-7805 is a Cap,lens, manufactured by Lightforce Usa, Incorporated Div Mil-Gov-Le, classified under FSC 6650 (No Item Name Available). Status: active.

What are the part numbers for NSN 6650-01-681-7805?

NSN 6650-01-681-7805 has 1 cross-referenced part number: A392 (Lightforce Usa, Incorporated Div Mil-Gov-Le).

What NSN replaces 6650-01-681-7805?

There are 3 known substitutes for 6650-01-681-7805: 4320-00-683-8574, 5950-01-125-6323, 4730-01-438-8747. Verify interchangeability with system specifications before substitution.

What are the specifications of A392?

Key specifications for A392: Part Name Assigned by Controlling Agency: FLIP UP LENS CAP ASSEMBLY; Functional Description: FLIPS UP ALLOWING USE OF OPTICS WITHOUT REMOVAL; Supplementary Features: FOR 50 MILIMETER OBJECTIVE LENSE. 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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