PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8440Valve,toggle Oxygen

Essex Industries, Inc. Dba Essex Industries · NSN 1660-00-150-8952 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-150-8952 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-150-8952. Primary manufacturer part number: 8440.
Features
  • Valve,toggle Oxygen — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Essex Industries, Inc. Dba Essex Industries
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,toggle Oxygen, cataloged under National Stock Number 1660-00-150-8952, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,toggle Oxygen
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersEssex Industries, Inc. Dba Essex Industries (CAGE 88535); The Boeing Company (CAGE 88277)
Technical Specifications
ParameterValue
NSN1660-00-150-8952
Primary Part Number8440
Item NameValve,toggle Oxygen
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
7920-00-037-2239 INTERCHANGEABLE
Pad,scouring
4030-00-187-5257AH8A INTERCHANGEABLE
Rod,anchor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-941-39868440 INTERCHANGEABLE
Packing,preformed
Clayton Manufacturing Company
7240-01-095-5079 INTERCHANGEABLE
Waste Receptacle
4940-01-186-4847 INTERCHANGEABLE
Gun,air Blow
3040-01-238-3975H0844000 INTERCHANGEABLE
Cylinder,actuating,linear
Mcneil Ohio Corp
6515-01-564-97429529 INTERCHANGEABLE
Sleeve,wrap-Around,pneumatic
Covidien Sales Llc Dba Covidien Sales
2915-01-703-35808440 INTERCHANGEABLE
Pump,fuel,metering and Distribut
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Cross-Reference Index
Part NumberManufacturer
8440 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
7546079-505 The Boeing Company (USA)
Related Parts
7920-00-037-2239INTERCHANGEABLE
PAD,SCOURING
4030-00-187-5257INTERCHANGEABLE
ROD,ANCHOR
AH8A
5330-00-941-3986INTERCHANGEABLE
PACKING,PREFORMED
8440
7240-01-095-5079INTERCHANGEABLE
WASTE RECEPTACLE
4940-01-186-4847INTERCHANGEABLE
GUN,AIR BLOW
3040-01-238-3975INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
H0844000
6515-01-564-9742INTERCHANGEABLE
SLEEVE,WRAP-AROUND,PNEUMATIC
9529
2915-01-703-3580INTERCHANGEABLE
PUMP,FUEL,METERING AND DISTRIBUT
8440

Frequently Asked Questions

What is NSN 1660-00-150-8952?

NSN 1660-00-150-8952 is a Valve,toggle Oxygen, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-150-8952?

NSN 1660-00-150-8952 has 2 cross-referenced part numbers: 8440 (Essex Industries, Inc. Dba Essex Industries), 7546079-505 (The Boeing Company).

What NSN replaces 1660-00-150-8952?

There are 8 known substitutes for 1660-00-150-8952: 7920-00-037-2239, 4030-00-187-5257, 5330-00-941-3986 and 5 more. Verify interchangeability with system specifications before substitution.

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