PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PK25Rotor,pickup,tachometer

Dynalec Corporation · NSN 2990-01-139-0532 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-139-0532 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-139-0532. Primary manufacturer part number: PK25.
Features
  • Rotor,pickup,tachometer — FSC 2990
  • General Characteristics Item Description: MATERIAL-STEEL; O/A H 0.375 IN.; O/A W 0.625 IN. IN
  • 2 verified cross-references
  • Primary manufacturer: Dynalec Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rotor,pickup,tachometer, cataloged under National Stock Number 2990-01-139-0532, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Dynalec Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-139-0532
Primary Part NumberPK25
Item NameRotor,pickup,tachometer
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
General Characteristics Item DescriptionMATERIAL-STEEL; O/A H 0.375 IN.; O/A W 0.625 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6515-00-562-8308 INTERCHANGEABLE
Tubing,oxygen Connector
5935-01-347-8715115405-083 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Technologies, Inc.
5120-01-355-8497PK25 INTERCHANGEABLE
Knife,putty
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5895-01-535-9796PK-25 INTERCHANGEABLE
Parts Kit,electronic Equipment
Siemon Company the
Cross-Reference Index
Part NumberManufacturer
PK25 The Electric Tachometer Corp. (USA)
PK25 PRIMARY Dynalec Corporation (USA)
Related Parts
6515-00-562-8308INTERCHANGEABLE
TUBING,OXYGEN CONNECTOR
5935-01-347-8715INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
115405-083
5120-01-355-8497INTERCHANGEABLE
KNIFE,PUTTY
PK25
5895-01-535-9796INTERCHANGEABLE
PARTS KIT,ELECTRONIC EQUIPMENT
PK-25

Frequently Asked Questions

What is NSN 2990-01-139-0532?

NSN 2990-01-139-0532 is a Rotor,pickup,tachometer, manufactured by Dynalec Corporation, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-139-0532?

NSN 2990-01-139-0532 has 2 cross-referenced part numbers: PK25 (The Electric Tachometer Corp.), PK25 (Dynalec Corporation).

What NSN replaces 2990-01-139-0532?

There are 4 known substitutes for 2990-01-139-0532: 6515-00-562-8308, 5935-01-347-8715, 5120-01-355-8497 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PK25?

Key specifications for PK25: General Characteristics Item Description: MATERIAL-STEEL; O/A H 0.375 IN.; O/A W 0.625 IN. IN; End Item Identification: PK2001-1. 2 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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