PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31730Indicator,electrical Tachometer

Naval Inventory Control Point Mechanicsburg · NSN 6620-00-065-9983 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-065-9983 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-065-9983. Primary manufacturer part number: 31730.
Features
  • Indicator,electrical Tachometer — FSC 6620
  • Color: BLACK BACKGROUND OVERALL
  • Depth: 3.070 INCHES NOMINAL IN
  • Accuracy Rating: 1.0 PERCENT SINGLE INDICATOR SINGLE SCALE
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)
  • Color: BLACK POINTER OVERALL
  • Mounting Stud Diameter: 0.128 INCHES NOMINAL IN
  • Pointer Type: CLOCK-HAND SINGLE POINTER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-065-9983, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-00-065-9983
Primary Part Number31730
Item NameIndicator,electrical Tachometer
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
ColorBLACK BACKGROUND OVERALL
Depth3.070 INCHES NOMINAL IN
Accuracy Rating1.0 PERCENT SINGLE INDICATOR SINGLE SCALE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
ColorBLACK POINTER OVERALL
Mounting Stud Diameter0.128 INCHES NOMINAL IN
Pointer TypeCLOCK-HAND SINGLE POINTER
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-102-8667 INTERCHANGEABLE
Transformer,power
5950-00-468-277211039835-1 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5998-01-054-285931730-1 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
3040-01-206-1492 INTERCHANGEABLE
Brake Shoe
4330-01-253-2014F35A INTERCHANGEABLE
Filter Element,fluid
Superior Valve Co
4820-01-416-787831792 INTERCHANGEABLE
Piston,valve
Canyon Engineering Products, Inc.
4820-01-417-231231761 INTERCHANGEABLE
Seat,valve
Canyon Engineering Products, Inc.
4820-01-417-277231762 INTERCHANGEABLE
Disk,valve
Canyon Engineering Products, Inc.
4820-01-429-838731791 INTERCHANGEABLE
Sleeve,directional Control Linea
Canyon Engineering Products, Inc.
Cross-Reference Index
Part NumberManufacturer
31730 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
31730-1 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5950-00-102-8667INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-468-2772INTERCHANGEABLE
TRANSFORMER,POWER
11039835-1
5998-01-054-2859INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
31730-1
3040-01-206-1492INTERCHANGEABLE
BRAKE SHOE
4330-01-253-2014INTERCHANGEABLE
FILTER ELEMENT,FLUID
F35A
4820-01-416-7878INTERCHANGEABLE
PISTON,VALVE
31792
4820-01-417-2312INTERCHANGEABLE
SEAT,VALVE
31761
4820-01-417-2772INTERCHANGEABLE
DISK,VALVE
31762
4820-01-429-8387INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
31791

Frequently Asked Questions

What is NSN 6620-00-065-9983?

NSN 6620-00-065-9983 is a Indicator,electrical Tachometer, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-065-9983?

NSN 6620-00-065-9983 has 2 cross-referenced part numbers: 31730 (Naval Inventory Control Point Mechanicsburg), 31730-1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 6620-00-065-9983?

There are 9 known substitutes for 6620-00-065-9983: 5950-00-102-8667, 5950-00-468-2772, 5998-01-054-2859 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31730?

Key specifications for 31730: Color: BLACK BACKGROUND OVERALL; Special Features: RED BAND ON SCALE FROM 100 TO 110,MARKERS STILL VISIBLE; Depth: 3.070 INCHES NOMINAL IN; Accuracy Rating: 1.0 PERCENT SINGLE INDICATOR SINGLE SCALE. 9 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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