PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20274Glass,liquid Sight Indicator,rou

Gas Turbine Efficiency Ab Gte · NSN 6680-01-539-9238 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-539-9238 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-539-9238. Primary manufacturer part number: 20274.
Features
  • Glass,liquid Sight Indicator,rou — FSC 6680
  • 5 verified cross-references
  • Primary manufacturer: Gas Turbine Efficiency Ab Gte
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Glass,liquid Sight Indicator,rou, cataloged under National Stock Number 6680-01-539-9238, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Gas Turbine Efficiency Ab Gte. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGlass,liquid Sight Indicator,rou
FSC / FSG6680 — No Item Name Available (FSG 66)
ManufacturersGas Turbine Efficiency Llc Dba Gas Turbine Efficiency Llc Div Gas Turbine Efficiency (CAGE 31DL4); Gas Turbine Efficiency Ab Gte Dba Engineering Div Main Office (CAGE SG290); Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (CAGE KCUC6); Gas Turbine Efficiency Ab Gte (CAGE AQ16N); Rolls-Royce Plc Naval Marine (CAGE K5974)
Technical Specifications
ParameterValue
NSN6680-01-539-9238
Primary Part Number20274
Item NameGlass,liquid Sight Indicator,rou
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerGas Turbine Efficiency Ab Gte
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-502-294910-301-4 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
3110-00-554-3197 INTERCHANGEABLE
Bearing,ball,annular
6685-00-810-6047AW1821AC02 INTERCHANGEABLE
Gage,differential,dial Indicatin
Ametek, Inc. Div Aerospace & Defense
4820-01-052-24492027401S0030 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-052-24502027401S0181 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5962-01-170-2339CD4028BF INTERCHANGEABLE
Microcircuit,digital
Renesas Electronics America Inc
4820-01-193-7669 INTERCHANGEABLE
Valve,angle
4820-01-215-146520274P51M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-217-8599 INTERCHANGEABLE
Valve,safety Relief
4820-01-318-283520274 ITEM 20274E51M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
20274 Gas Turbine Efficiency Llc Dba Gas Turbine Efficiency Llc Div Gas Turbine Efficiency (USA)
20274 Gas Turbine Efficiency Ab Gte Dba Engineering Div Main Office (SWE)
40071473 Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR)
20274 PRIMARY Gas Turbine Efficiency Ab Gte (SWE)
20274 Rolls-Royce Plc Naval Marine (GBR)
Related Parts
5940-00-502-2949INTERCHANGEABLE
TERMINAL,STUD
10-301-4
3110-00-554-3197INTERCHANGEABLE
BEARING,BALL,ANNULAR
6685-00-810-6047INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
AW1821AC02
4820-01-052-2449INTERCHANGEABLE
VALVE,SAFETY RELIEF
2027401S0030
4820-01-052-2450INTERCHANGEABLE
VALVE,SAFETY RELIEF
2027401S0181
5962-01-170-2339INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
CD4028BF
4820-01-193-7669INTERCHANGEABLE
VALVE,ANGLE
4820-01-215-1465INTERCHANGEABLE
VALVE,SAFETY RELIEF
20274P51M
4820-01-217-8599INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-318-2835INTERCHANGEABLE
VALVE,SAFETY RELIEF
20274 ITEM 20274E51M
4820-01-373-6406INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
20274G51M
4820-01-428-9878INTERCHANGEABLE
VALVE,SAFETY RELIEF
20274J51M(OXCLEA

Frequently Asked Questions

What is NSN 6680-01-539-9238?

NSN 6680-01-539-9238 is a Glass,liquid Sight Indicator,rou, manufactured by Gas Turbine Efficiency Ab Gte, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-539-9238?

NSN 6680-01-539-9238 has 5 cross-referenced part numbers: 20274 (Gas Turbine Efficiency Llc Dba Gas Turbine Efficiency Llc Div Gas Turbine Efficiency), 20274 (Gas Turbine Efficiency Ab Gte Dba Engineering Div Main Office), 40071473 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), 20274 (Gas Turbine Efficiency Ab Gte), 20274 (Rolls-Royce Plc Naval Marine).

What NSN replaces 6680-01-539-9238?

There are 12 known substitutes for 6680-01-539-9238: 5940-00-502-2949, 3110-00-554-3197, 6685-00-810-6047 and 9 more. Verify interchangeability with system specifications before substitution.

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