PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JMS-7854-56Glass,liquid Sight Indicator,fla

Clark-Reliance Llc · NSN 6680-00-308-5983 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-308-5983 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-308-5983. Primary manufacturer part number: JMS-7854-56.
Features
  • Glass,liquid Sight Indicator,fla — FSC 6680
  • Gasket: NOT INCLUDED
  • Overall Thickness: 0.625 INCHES NOMINAL IN
  • Mica Shield: NOT PROVIDED
  • Design Type: PLAIN
  • 8 verified cross-references
  • Primary manufacturer: Clark-Reliance Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Glass,liquid Sight Indicator,fla, cataloged under National Stock Number 6680-00-308-5983, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Clark-Reliance Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-308-5983
Primary Part NumberJMS-7854-56
Item NameGlass,liquid Sight Indicator,fla
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerClark-Reliance Llc
StatusACTIVE
GasketNOT INCLUDED
Overall Thickness0.625 INCHES NOMINAL IN
Mica ShieldNOT PROVIDED
Design TypePLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5970-00-699-5810SIZE14 INTERCHANGEABLE
Insulation Sleeve,c
Corning Glass Works
5320-00-734-004619483-5 INTERCHANGEABLE
Rivet,tubular
Lake Shore Systems, Inc.
6680-01-143-0715JMS-2634 INTERCHANGEABLE
Bonnet Assembly
Clark-Reliance Llc
6680-01-195-6696 INTERCHANGEABLE
Glass,liquid Sight Indicator,fla
4820-01-246-9896 INTERCHANGEABLE
Stem,needle Valve
6515-01-279-6485SIZE 14 INTERCHANGEABLE
Tube,tracheal,prosthetic
Hood E Benson Laboratories Inc
6680-01-373-128358RIW-5 ASSY B INTERCHANGEABLE
Indicator,sight,liquid
Clark-Reliance Llc Dba Jerguson Gage & Valve
7510-01-390-0728SIZE 14 INTERCHANGEABLE
Finger Pad,rubber
Kendik Rubber and Plastic Products Company Inc
4010-01-391-3407SIZE 1/4 INTERCHANGEABLE
Link,detachable
Taylor Chain Div G R C Enterprises Inc
6680-01-415-4131JMS-7837-RS INTERCHANGEABLE
Indicator,sight,liquid
Clark-Reliance Llc
Cross-Reference Index
Part NumberManufacturer
CW-50010H Siemens Energy, Inc. (USA)
SIZE14 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
JMS-7854-56 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
D1560 PIECE 8 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
14 White Consolidated Industries Inc Shade-Davis Controls-Specialty Valve and Controls Div (USA)
GD1560 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
14 American-Marsh Pumps Inc (USA)
JMS-7854-56 PRIMARY Clark-Reliance Llc (USA)
Related Parts
5970-00-699-5810INTERCHANGEABLE
INSULATION SLEEVE,C
SIZE14
5320-00-734-0046INTERCHANGEABLE
RIVET,TUBULAR
19483-5
6680-01-143-0715INTERCHANGEABLE
BONNET ASSEMBLY
JMS-2634
6680-01-195-6696INTERCHANGEABLE
GLASS,LIQUID SIGHT INDICATOR,FLA
4820-01-246-9896INTERCHANGEABLE
STEM,NEEDLE VALVE
6515-01-279-6485INTERCHANGEABLE
TUBE,TRACHEAL,PROSTHETIC
SIZE 14
6680-01-373-1283INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
58RIW-5 ASSY B
7510-01-390-0728INTERCHANGEABLE
FINGER PAD,RUBBER
SIZE 14
4010-01-391-3407INTERCHANGEABLE
LINK,DETACHABLE
SIZE 1/4
6680-01-415-4131INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
JMS-7837-RS

Frequently Asked Questions

What is NSN 6680-00-308-5983?

NSN 6680-00-308-5983 is a Glass,liquid Sight Indicator,fla, manufactured by Clark-Reliance Llc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-308-5983?

NSN 6680-00-308-5983 has 8 cross-referenced part numbers: CW-50010H (Siemens Energy, Inc.), SIZE14 (Clark-Reliance Llc Dba Jerguson Gage & Valve), JMS-7854-56 (Clark-Reliance Llc Dba Jerguson Gage & Valve), D1560 PIECE 8 (Clark-Reliance Llc Dba Jerguson Gage & Valve), 14 (White Consolidated Industries Inc Shade-Davis Controls-Specialty Valve and Controls Div) and 3 more.

What NSN replaces 6680-00-308-5983?

There are 10 known substitutes for 6680-00-308-5983: 5970-00-699-5810, 5320-00-734-0046, 6680-01-143-0715 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JMS-7854-56?

Key specifications for JMS-7854-56: Overall Width: 1.000 INCHES NOMINAL IN; Gasket: NOT INCLUDED; Overall Thickness: 0.625 INCHES NOMINAL IN; Mica Shield: NOT PROVIDED. 7 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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