PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

814445Stem,valve,o,ygen R

Mission Systems Davenport Inc. · NSN 1660-00-520-9592 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-520-9592 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-520-9592. Primary manufacturer part number: 814445.
Features
  • Stem,valve,o,ygen R — FSC 1660
  • 1 verified cross-reference
  • Primary manufacturer: Mission Systems Davenport Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,valve,o,ygen R, cataloged under National Stock Number 1660-00-520-9592, 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 Davenport Inc.. 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: Cancelled.

Catalog Facts
Item NameStem,valve,o,ygen R
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersMission Systems Davenport Inc. (CAGE 99251)
Technical Specifications
ParameterValue
NSN1660-00-520-9592
Primary Part Number814445
Item NameStem,valve,o,ygen R
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2530-01-056-95848144-45 INTERCHANGEABLE
Strut,parking Brake Lever
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
814445 PRIMARY Mission Systems Davenport Inc. (USA)
Related Parts
2530-01-056-9584INTERCHANGEABLE
STRUT,PARKING BRAKE LEVER
8144-45

Frequently Asked Questions

What is NSN 1660-00-520-9592?

NSN 1660-00-520-9592 is a Stem,valve,o,ygen R, manufactured by Mission Systems Davenport Inc., classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-520-9592?

NSN 1660-00-520-9592 has 1 cross-referenced part number: 814445 (Mission Systems Davenport Inc.).

What NSN replaces 1660-00-520-9592?

There is 1 known substitute for 1660-00-520-9592: 2530-01-056-9584. Verify interchangeability with system specifications before substitution.

Is NSN 1660-00-520-9592 still in active supply?

NSN 1660-00-520-9592 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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