PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20720Button,valve Assemb

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-942-8732 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-942-8732 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-942-8732. Primary manufacturer part number: 20720.
Features
  • Button,valve Assemb — FSC 1660
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Button,valve Assemb, cataloged under National Stock Number 1660-00-942-8732, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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 NameButton,valve Assemb
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersAvox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN1660-00-942-8732
Primary Part Number20720
Item NameButton,valve Assemb
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5985-00-001-5788669771-1 INTERCHANGEABLE
Dummy Load,electrical
Raytheon Company Dba Raytheon
3110-00-144-8869R-200ZZSD502RDA1P15LY48U INTERCHANGEABLE
Bearing,ball,annular
New Hampshire Ball Bearings Inc Div Precision Division
3455-00-232-421920085 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
9540-00-528-9398 INTERCHANGEABLE
Structural Section,special Shape
9540-00-596-7512 INTERCHANGEABLE
Structural Section,special Shape
4720-00-936-648820720 INTERCHANGEABLE
Hose,preformed
Gates Corporation
3110-01-228-0400 INTERCHANGEABLE
Bearing,ball,annular
6840-01-393-704520720 INTERCHANGEABLE
Deodorant,utility
Thetford Corp
Cross-Reference Index
Part NumberManufacturer
20720 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5985-00-001-5788INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
669771-1
3110-00-144-8869INTERCHANGEABLE
BEARING,BALL,ANNULAR
R-200ZZSD502RDA1P15LY48U
3455-00-232-4219INTERCHANGEABLE
REAMER,MACHINE
20085
9540-00-528-9398INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
9540-00-596-7512INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
4720-00-936-6488INTERCHANGEABLE
HOSE,PREFORMED
20720
3110-01-228-0400INTERCHANGEABLE
BEARING,BALL,ANNULAR
6840-01-393-7045INTERCHANGEABLE
DEODORANT,UTILITY
20720

Frequently Asked Questions

What is NSN 1660-00-942-8732?

NSN 1660-00-942-8732 is a Button,valve Assemb, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-942-8732?

NSN 1660-00-942-8732 has 1 cross-referenced part number: 20720 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-00-942-8732?

There are 8 known substitutes for 1660-00-942-8732: 5985-00-001-5788, 3110-00-144-8869, 3455-00-232-4219 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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