PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A390Cap,lens

Lightforce Usa, Incorporated Div Mil-Gov-Le · NSN 6650-01-654-6257 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-654-6257 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-654-6257. Primary manufacturer part number: A390.
Features
  • Cap,lens — FSC 6650
  • 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 6650-01-654-6257, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-654-6257
Primary Part NumberA390
Item NameCap,lens
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerLightforce Usa, Incorporated Div Mil-Gov-Le
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5660-00-008-3167 INTERCHANGEABLE
Fencing,wire
6625-00-187-26013635172 INTERCHANGEABLE
Meter,null
Chrysler Realty Company Llc Dba Daimler Chrysler
4820-00-268-8786 INTERCHANGEABLE
Valve,check
5660-00-531-3902 INTERCHANGEABLE
Fencing,wire
5660-00-531-3903 INTERCHANGEABLE
Fencing,wire
5961-01-273-3980A390 INTERCHANGEABLE
Semiconductor Device,diode
Payne Engineering Company
6105-01-363-9004P28G388 INTERCHANGEABLE
Motor,alternating Current
Reliance Electric Company Dba Reliance & Dodge Brands
Cross-Reference Index
Part NumberManufacturer
A390 PRIMARY Lightforce Usa, Incorporated Div Mil-Gov-Le (USA)
Related Parts
5660-00-008-3167INTERCHANGEABLE
FENCING,WIRE
6625-00-187-2601INTERCHANGEABLE
METER,NULL
3635172
4820-00-268-8786INTERCHANGEABLE
VALVE,CHECK
5660-00-531-3902INTERCHANGEABLE
FENCING,WIRE
5660-00-531-3903INTERCHANGEABLE
FENCING,WIRE
5961-01-273-3980INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A390
6105-01-363-9004INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
P28G388

Frequently Asked Questions

What is NSN 6650-01-654-6257?

NSN 6650-01-654-6257 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 6650-01-654-6257?

NSN 6650-01-654-6257 has 1 cross-referenced part number: A390 (Lightforce Usa, Incorporated Div Mil-Gov-Le).

What NSN replaces 6650-01-654-6257?

There are 7 known substitutes for 6650-01-654-6257: 5660-00-008-3167, 6625-00-187-2601, 4820-00-268-8786 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A390?

Key specifications for A390: End Item Identification: NIGHTFORCE MIL-SPEC SCOPES; Special Features: 4-16X42F1; Part Name Assigned by Controlling Agency: EYEPICE FLIP UP LENZ CAP & ADAPTER RING. 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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