PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

340640Lens Assembly,field

Northrop Grumman Corp Electronic Systems Defensive System Div · NSN 1260-01-192-2065 · FSC 1260 · No Item Name Available
Verified by PartsTable
NSN 1260-01-192-2065 — this item is cataloged by the U.S. Government under National Stock Number 1260-01-192-2065. Primary manufacturer part number: 340640.
Features
  • Lens Assembly,field — FSC 1260
  • Test Data Document: 22915-340640 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • 1 verified cross-reference
  • Primary manufacturer: Northrop Grumman Corp Electronic Systems Defensive System Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Lens Assembly,field, cataloged under National Stock Number 1260-01-192-2065, is classified within Federal Supply Class 1260 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1260-01-192-2065
Primary Part Number340640
Item NameLens Assembly,field
FSC / FSG1260 / 12 — No Item Name Available
ManufacturerNorthrop Grumman Corp Electronic Systems Defensive System Div
StatusACTIVE
Test Data Document22915-340640 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4220-00-436-03998520-10 INTERCHANGEABLE
Boots,divers'
Dacor Corp
Cross-Reference Index
Part NumberManufacturer
340640 PRIMARY Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
Related Parts
4220-00-436-0399INTERCHANGEABLE
BOOTS,DIVERS'
8520-10

Frequently Asked Questions

What is NSN 1260-01-192-2065?

NSN 1260-01-192-2065 is a Lens Assembly,field, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 1260 (No Item Name Available). Status: active.

What are the part numbers for NSN 1260-01-192-2065?

NSN 1260-01-192-2065 has 1 cross-referenced part number: 340640 (Northrop Grumman Corp Electronic Systems Defensive System Div).

What NSN replaces 1260-01-192-2065?

There is 1 known substitute for 1260-01-192-2065: 4220-00-436-0399. Verify interchangeability with system specifications before substitution.

What are the specifications of 340640?

Key specifications for 340640: Test Data Document: 22915-340640 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING). 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com