PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16104Exophthalmometer

Gulden Ophthalmics Inc. · NSN 6540-01-139-8620 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-139-8620 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-139-8620. Primary manufacturer part number: 16104.
Features
  • Exophthalmometer — FSC 6540
  • Unit of Issue Cube: 0.001 CUBIC FEET
  • General Characteristics Item Description: IN POCKET CASE; W/MM LINES ON BOTH SIDES TO CHECK PARALLAX; LUEDDE PLASTIC
  • 2 verified cross-references
  • Primary manufacturer: Gulden Ophthalmics Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Exophthalmometer, cataloged under National Stock Number 6540-01-139-8620, is classified within Federal Supply Class 6540 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Gulden Ophthalmics Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-139-8620
Primary Part Number16104
Item NameExophthalmometer
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerGulden Ophthalmics Inc.
StatusACTIVE
Unit of Issue Cube0.001 CUBIC FEET
General Characteristics Item DescriptionIN POCKET CASE; W/MM LINES ON BOTH SIDES TO CHECK PARALLAX; LUEDDE PLASTIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
5935-00-187-19811001081N001-000 INTERCHANGEABLE
Connector,plug,electrical
Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp.
1240-00-382-17351040107 INTERCHANGEABLE
Filter,light,optical Instrument
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-549-7409 INTERCHANGEABLE
Connector,plug,electrical
5930-00-592-400816-104 INTERCHANGEABLE
Switch,limit
Whippany Actuation Systems, Llc
5930-00-723-244116-104 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
5905-00-861-7650SE16104 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5930-00-995-0140 INTERCHANGEABLE
Switch,sensitive
5315-01-100-03851610-4 INTERCHANGEABLE
Key,machine
Lear Siegler Inc Hypro Div
3110-01-323-010716-104 INTERCHANGEABLE
Bearing,ball,pivot
Thomas R Miller Co Inc
5330-01-358-954016104 INTERCHANGEABLE
Seal,plain
New Venture Gear Inc New Process Gear Div
Cross-Reference Index
Part NumberManufacturer
OP9910 Baxter Healthcare Corp Operating Room Div V Mueller Government Sales (USA)
16104 PRIMARY Gulden Ophthalmics Inc. (USA)
Related Parts
5935-00-187-1981INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1001081N001-000
1240-00-382-1735INTERCHANGEABLE
FILTER,LIGHT,OPTICAL INSTRUMENT
1040107
5935-00-549-7409INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5930-00-592-4008INTERCHANGEABLE
SWITCH,LIMIT
16-104
5930-00-723-2441INTERCHANGEABLE
SWITCH,SENSITIVE
16-104
5905-00-861-7650INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
SE16104
5930-00-995-0140INTERCHANGEABLE
SWITCH,SENSITIVE
5315-01-100-0385INTERCHANGEABLE
KEY,MACHINE
1610-4
3110-01-323-0107INTERCHANGEABLE
BEARING,BALL,PIVOT
16-104
5330-01-358-9540INTERCHANGEABLE
SEAL,PLAIN
16104
5133-01-413-3624INTERCHANGEABLE
DRILL,MULTI-STEP
16104
5120-01-422-1876INTERCHANGEABLE
TOOL,INSTALLATION
602C4

Frequently Asked Questions

What is NSN 6540-01-139-8620?

NSN 6540-01-139-8620 is a Exophthalmometer, manufactured by Gulden Ophthalmics Inc., classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-139-8620?

NSN 6540-01-139-8620 has 2 cross-referenced part numbers: OP9910 (Baxter Healthcare Corp Operating Room Div V Mueller Government Sales), 16104 (Gulden Ophthalmics Inc.).

What NSN replaces 6540-01-139-8620?

There are 12 known substitutes for 6540-01-139-8620: 5935-00-187-1981, 1240-00-382-1735, 5935-00-549-7409 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16104?

Key specifications for 16104: Unit of Issue Cube: 0.001 CUBIC FEET; Part Name Assigned by Controlling Agency: EXOPHTHALMOMETER LUEDDE PLASTIC IN POCKET CASE W/MM LINES; General Characteristics Item Description: IN POCKET CASE; W/MM LINES ON BOTH SIDES TO CHECK PARALLAX; LUEDDE PLASTIC. 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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