PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520-0021Gage,pressure,dial Indicating

Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc · NSN 6620-00-290-6502 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-290-6502 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-290-6502. Primary manufacturer part number: 520-0021.
Features
  • Gage,pressure,dial Indicating — FSC 6620
  • Mounting Method: PANEL
  • FSC Application Data: VEHICLE ENGINE INSTRUMENTS
  • Actuation Type: PRESSURE BELLOWS
  • 1 verified cross-reference
  • Primary manufacturer: Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-00-290-6502, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-00-290-6502
Primary Part Number520-0021
Item NameGage,pressure,dial Indicating
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerDrs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
StatusACTIVE
Mounting MethodPANEL
FSC Application DataVEHICLE ENGINE INSTRUMENTS
Actuation TypePRESSURE BELLOWS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5965-01-247-4723 INTERCHANGEABLE
Handset
Cross-Reference Index
Part NumberManufacturer
520-0021 PRIMARY Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
5965-01-247-4723INTERCHANGEABLE
HANDSET

Frequently Asked Questions

What is NSN 6620-00-290-6502?

NSN 6620-00-290-6502 is a Gage,pressure,dial Indicating, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-290-6502?

NSN 6620-00-290-6502 has 1 cross-referenced part number: 520-0021 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 6620-00-290-6502?

There is 1 known substitute for 6620-00-290-6502: 5965-01-247-4723. Verify interchangeability with system specifications before substitution.

What are the specifications of 520-0021?

Key specifications for 520-0021: Mounting Method: PANEL; FSC Application Data: VEHICLE ENGINE INSTRUMENTS; Actuation Type: PRESSURE BELLOWS. 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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