PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A431Cleaning Kit,optical Instrument

Lightforce Usa, Incorporated Div Mil-Gov-Le · NSN 6650-01-688-1702 · FSC 6650 · No Item Name Available
Verified by PartsTable
NSN 6650-01-688-1702 — this item is cataloged by the U.S. Government under National Stock Number 6650-01-688-1702. Primary manufacturer part number: A431.
Features
  • Cleaning Kit,optical Instrument — FSC 6650
  • 2 verified cross-references
  • 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 Cleaning Kit,optical Instrument, cataloged under National Stock Number 6650-01-688-1702, 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 2 commercial cross-references from 2 manufacturers, 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
NSN6650-01-688-1702
Primary Part NumberA431
Item NameCleaning Kit,optical Instrument
FSC / FSG6650 / 66 — No Item Name Available
ManufacturerLightforce Usa, Incorporated Div Mil-Gov-Le
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2825-00-056-2408 INTERCHANGEABLE
Roller,governor Weight,steam Tur
4820-00-106-892713623 INTERCHANGEABLE
Valve,globe
Provision, Inc. Dba Provision Inc
4820-00-220-3968H4171M2B/HPS-17 INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4820-00-246-30304171M2B INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
Z4Q42A431 Nioa Trading Nioa Nominees Pty Limited Div Nioa (AUS)
A431 PRIMARY Lightforce Usa, Incorporated Div Mil-Gov-Le (USA)
Related Parts
2825-00-056-2408INTERCHANGEABLE
ROLLER,GOVERNOR WEIGHT,STEAM TUR
4820-00-106-8927INTERCHANGEABLE
VALVE,GLOBE
13623
4820-00-220-3968INTERCHANGEABLE
VALVE,GLOBE
H4171M2B/HPS-17
4820-00-246-3030INTERCHANGEABLE
VALVE,GLOBE
4171M2B

Frequently Asked Questions

What is NSN 6650-01-688-1702?

NSN 6650-01-688-1702 is a Cleaning Kit,optical Instrument, 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 6650-01-688-1702?

NSN 6650-01-688-1702 has 2 cross-referenced part numbers: Z4Q42A431 (Nioa Trading Nioa Nominees Pty Limited Div Nioa), A431 (Lightforce Usa, Incorporated Div Mil-Gov-Le).

What NSN replaces 6650-01-688-1702?

There are 4 known substitutes for 6650-01-688-1702: 2825-00-056-2408, 4820-00-106-8927, 4820-00-220-3968 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A431?

Key specifications for A431: Part Name Assigned by Controlling Agency: OPTICAL CLEANING KIT. 1 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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