PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

590-003-104Diaphram,indicator

Alnor Instrument Company · NSN 6685-00-690-7516 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-690-7516 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-690-7516. Primary manufacturer part number: 590-003-104.
Features
  • Diaphram,indicator — FSC 6685
  • General Characteristics Item Description: PLASTIC,1.834 IN. DIA IN
  • 3 verified cross-references
  • Primary manufacturer: Alnor Instrument Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diaphram,indicator, cataloged under National Stock Number 6685-00-690-7516, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Alnor Instrument Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-690-7516
Primary Part Number590-003-104
Item NameDiaphram,indicator
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAlnor Instrument Company
StatusCANCELLED
General Characteristics Item DescriptionPLASTIC,1.834 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-024-14597099 INTERCHANGEABLE
Disc Assembly,valve
Derbyshire Machine & Tool Co
6515-00-139-36287299 INTERCHANGEABLE
Belt,ostomy
Hollister Inc
5310-00-237-7708A7099 INTERCHANGEABLE
Nut,plain,round
C & K Components, Llc Div C & K Components
5995-00-245-25827099 INTERCHANGEABLE
Cable Assembly,radio Frequency,b
Spencer Industries Inc
5360-00-334-0472Z045007099 INTERCHANGEABLE
Spring,helical,torsion
Prestolite Electric Inc
2805-00-356-1717292100 INTERCHANGEABLE
Ring Set,piston
Briggs and Stratton Corp
5305-00-527-38787099 INTERCHANGEABLE
Thumbscrew
Telemechanics Inc
5960-00-754-57829144180 INTERCHANGEABLE
Electron Tube
Us Army Aviation and Missile Command
6210-00-805-144795-1310-0931-301 INTERCHANGEABLE
Light,indicator
Dialight Corporation
1650-00-831-81347099 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
590-003-104 PRIMARY Alnor Instrument Company (USA)
7099PCALL Alnor Instrument Company (USA)
7099 PRIMARY Alnor Instrument Company (USA)
Related Parts
4820-00-024-1459INTERCHANGEABLE
DISC ASSEMBLY,VALVE
7099
6515-00-139-3628INTERCHANGEABLE
BELT,OSTOMY
7299
5310-00-237-7708INTERCHANGEABLE
NUT,PLAIN,ROUND
A7099
5995-00-245-2582INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY,B
7099
5360-00-334-0472INTERCHANGEABLE
SPRING,HELICAL,TORSION
Z045007099
2805-00-356-1717INTERCHANGEABLE
RING SET,PISTON
292100
5305-00-527-3878INTERCHANGEABLE
THUMBSCREW
7099
5960-00-754-5782INTERCHANGEABLE
ELECTRON TUBE
9144180
6210-00-805-1447INTERCHANGEABLE
LIGHT,INDICATOR
95-1310-0931-301
1650-00-831-8134INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
7099
4320-01-338-2373INTERCHANGEABLE
CONNECTOR,FLUID,PUMP
AR66402
6640-01-558-3654INTERCHANGEABLE
CASE,CARRYING,FIELD INCUBATOR

Frequently Asked Questions

What is NSN 6685-00-690-7516?

NSN 6685-00-690-7516 is a Diaphram,indicator, manufactured by Alnor Instrument Company, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-690-7516?

NSN 6685-00-690-7516 has 3 cross-referenced part numbers: 590-003-104 (Alnor Instrument Company), 7099PCALL (Alnor Instrument Company), 7099 (Alnor Instrument Company).

What NSN replaces 6685-00-690-7516?

There are 12 known substitutes for 6685-00-690-7516: 4820-00-024-1459, 6515-00-139-3628, 5310-00-237-7708 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 590-003-104?

Key specifications for 590-003-104: General Characteristics Item Description: PLASTIC,1.834 IN. DIA IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-690-7516 still in active supply?

NSN 6685-00-690-7516 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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