PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DA-10Optivisor

Donegan Optical Company Inc · NSN 4935-01-183-9439 · FSC 4935 · No Item Name Available
Verified by PartsTable
NSN 4935-01-183-9439 — this item is cataloged by the U.S. Government under National Stock Number 4935-01-183-9439. Primary manufacturer part number: DA-10.
Features
  • Optivisor — FSC 4935
  • 3 verified cross-references
  • Primary manufacturer: Donegan Optical Company Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Optivisor, cataloged under National Stock Number 4935-01-183-9439, is classified within Federal Supply Class 4935 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Donegan Optical Company Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameOptivisor
FSC / FSG4935 — No Item Name Available (FSG 49)
ManufacturersTestequity Llc Dba National Test Equipment (CAGE 4JZC3); Donegan Optical Company Inc (CAGE 58690); Techni-Tool, Inc. (CAGE 30239)
Technical Specifications
ParameterValue
NSN4935-01-183-9439
Primary Part NumberDA-10
Item NameOptivisor
FSC / FSG4935 / 49 — No Item Name Available
ManufacturerDonegan Optical Company Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5130-00-630-4435 INTERCHANGEABLE
Brush,wire,rotary Wheel
5342-01-159-4418DA-10 INTERCHANGEABLE
Strap
Palmer Wahl Instruments Inc.
7025-01-450-3830 INTERCHANGEABLE
Interface Unit,automatic Data Pr
6680-01-450-3858DA10 INTERCHANGEABLE
Counter,rotating
Eti Systems Inc Div of Polaris Industrial Enterprises
2010-01-564-1726DA10 INTERCHANGEABLE
Brake Actuator
Jdci Enterprises, Inc. Dba Jdci Enterprises Inc
Cross-Reference Index
Part NumberManufacturer
DA-10 Testequity Llc Dba National Test Equipment (USA)
DA-10 PRIMARY Donegan Optical Company Inc (USA)
DA-10 Techni-Tool, Inc. (USA)
Related Parts
5130-00-630-4435INTERCHANGEABLE
BRUSH,WIRE,ROTARY WHEEL
5342-01-159-4418INTERCHANGEABLE
STRAP
DA-10
7025-01-450-3830INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
6680-01-450-3858INTERCHANGEABLE
COUNTER,ROTATING
DA10
2010-01-564-1726INTERCHANGEABLE
BRAKE ACTUATOR
DA10

Frequently Asked Questions

What is NSN 4935-01-183-9439?

NSN 4935-01-183-9439 is a Optivisor, manufactured by Donegan Optical Company Inc, classified under FSC 4935 (No Item Name Available). Status: active.

What are the part numbers for NSN 4935-01-183-9439?

NSN 4935-01-183-9439 has 3 cross-referenced part numbers: DA-10 (Testequity Llc Dba National Test Equipment), DA-10 (Donegan Optical Company Inc), DA-10 (Techni-Tool, Inc.).

What NSN replaces 4935-01-183-9439?

There are 5 known substitutes for 4935-01-183-9439: 5130-00-630-4435, 5342-01-159-4418, 7025-01-450-3830 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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