PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0-521-67Port,o,ygen Meterin

Mission Systems Orchard Park Inc · NSN 1660-00-544-8090 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-544-8090 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-544-8090. Primary manufacturer part number: 0-521-67.
Features
  • Port,o,ygen Meterin — FSC 1660
  • 4 verified cross-references
  • Primary manufacturer: Mission Systems Orchard Park Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Port,o,ygen Meterin, cataloged under National Stock Number 1660-00-544-8090, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mission Systems Orchard Park Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePort,o,ygen Meterin
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersMission Systems Orchard Park Inc (CAGE 04577); Ingersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990)
Technical Specifications
ParameterValue
NSN1660-00-544-8090
Primary Part Number0-521-67
Item NamePort,o,ygen Meterin
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4510-00-219-7887 INTERCHANGEABLE
Handle,faucet
Cross-Reference Index
Part NumberManufacturer
0-521-27 Mission Systems Orchard Park Inc (USA)
0-521-67 PRIMARY Mission Systems Orchard Park Inc (USA)
0-521-27 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
0-521-67 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
Related Parts
4510-00-219-7887INTERCHANGEABLE
HANDLE,FAUCET

Frequently Asked Questions

What is NSN 1660-00-544-8090?

NSN 1660-00-544-8090 is a Port,o,ygen Meterin, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-544-8090?

NSN 1660-00-544-8090 has 4 cross-referenced part numbers: 0-521-27 (Mission Systems Orchard Park Inc), 0-521-67 (Mission Systems Orchard Park Inc), 0-521-27 (Ingersoll-Rand Company Dba Ingersoll-Rand), 0-521-67 (Ingersoll-Rand Company Dba Ingersoll-Rand).

What NSN replaces 1660-00-544-8090?

There is 1 known substitute for 1660-00-544-8090: 4510-00-219-7887. Verify interchangeability with system specifications before substitution.

Is NSN 1660-00-544-8090 still in active supply?

NSN 1660-00-544-8090 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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