PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21566Nrp,ext Dual Agent

Amerex Corporation Dba Amerex Corp · NSN 4210-01-610-6986 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-610-6986 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-610-6986. Primary manufacturer part number: 21566.
Features
  • Nrp,ext Dual Agent — FSC 4210
  • 1 verified cross-reference
  • Primary manufacturer: Amerex Corporation Dba Amerex Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Nrp,ext Dual Agent, cataloged under National Stock Number 4210-01-610-6986, is classified within Federal Supply Class 4210 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Amerex Corporation Dba Amerex Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNrp,ext Dual Agent
FSC / FSG4210 — No Item Name Available (FSG 42)
ManufacturersAmerex Corporation Dba Amerex Corp (CAGE 54905)
Technical Specifications
ParameterValue
NSN4210-01-610-6986
Primary Part Number21566
Item NameNrp,ext Dual Agent
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerAmerex Corporation Dba Amerex Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-164-3243MA24900G INTERCHANGEABLE
Generator,engine Accessory
Prestolite Electric Inc
6685-00-999-16032156-6 INTERCHANGEABLE
Indicator,humidity,card
Clariant Corp Div Clariant Corporation
5305-01-166-550021566 INTERCHANGEABLE
Screw
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5310-01-266-8510215-66 INTERCHANGEABLE
Washer,lock
Ingersoll Rand Co Athens Plant
8145-01-538-3058 INTERCHANGEABLE
Shipping and Storage Container,m
Cross-Reference Index
Part NumberManufacturer
21566 PRIMARY Amerex Corporation Dba Amerex Corp (USA)
Related Parts
2920-00-164-3243INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
MA24900G
6685-00-999-1603INTERCHANGEABLE
INDICATOR,HUMIDITY,CARD
2156-6
5305-01-166-5500INTERCHANGEABLE
SCREW
21566
5310-01-266-8510INTERCHANGEABLE
WASHER,LOCK
215-66
8145-01-538-3058INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M

Frequently Asked Questions

What is NSN 4210-01-610-6986?

NSN 4210-01-610-6986 is a Nrp,ext Dual Agent, manufactured by Amerex Corporation Dba Amerex Corp, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-610-6986?

NSN 4210-01-610-6986 has 1 cross-referenced part number: 21566 (Amerex Corporation Dba Amerex Corp).

What NSN replaces 4210-01-610-6986?

There are 5 known substitutes for 4210-01-610-6986: 2920-00-164-3243, 6685-00-999-1603, 5305-01-166-5500 and 2 more. Verify interchangeability with system specifications before substitution.

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