PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A538Cap,lens

Lightforce Usa, Incorporated Div Mil-Gov-Le · NSN 6650-01-722-0028 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-722-0028 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-722-0028. Primary manufacturer part number: A538.
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 6650-01-722-0028, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6650-01-722-0028
Primary Part NumberA538
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 4
3110-00-142-4325177030-117 INTERCHANGEABLE
Bearing,ball,airframe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-00-432-266098F5886 INTERCHANGEABLE
Terminal,quick Disconnect
Newark Corporation Dba Newark, an Avnet Company
2920-00-554-9155638647 INTERCHANGEABLE
Spark Plug
Am General Llc
5130-01-078-9034A53-8 INTERCHANGEABLE
Anvil,fastener Installation Tool
Hi-Shear Corporation
Cross-Reference Index
Part NumberManufacturer
A538 PRIMARY Lightforce Usa, Incorporated Div Mil-Gov-Le (USA)
Related Parts
3110-00-142-4325INTERCHANGEABLE
BEARING,BALL,AIRFRAME
177030-117
5940-00-432-2660INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
98F5886
2920-00-554-9155INTERCHANGEABLE
SPARK PLUG
638647
5130-01-078-9034INTERCHANGEABLE
ANVIL,FASTENER INSTALLATION TOOL
A53-8

Frequently Asked Questions

What is NSN 6650-01-722-0028?

NSN 6650-01-722-0028 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 6650-01-722-0028?

NSN 6650-01-722-0028 has 1 cross-referenced part number: A538 (Lightforce Usa, Incorporated Div Mil-Gov-Le).

What NSN replaces 6650-01-722-0028?

There are 4 known substitutes for 6650-01-722-0028: 3110-00-142-4325, 5940-00-432-2660, 2920-00-554-9155 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A538?

Key specifications for A538: Special Features: X8 8X (NO NF LOGO),THREAD-IN ATTACHMENT METHOD,FULL OBJECTIVE LENS PROTECTION,STAY CLOSED DESIGN,SPRING LOADED TO IP OPEN AND STAY OPEN,ROTATIONAL SO THE CAP IS WHERE YOU WANT IT,NIGHTFORCE MEDALLION BRANDING; Part Name Assigned by Controlling Agency: FLIP-UP LENS CAP; End Item Identification: RIFLESCOPE. 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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