PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20637Fitting,hose

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-942-8560 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-942-8560 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-942-8560. Primary manufacturer part number: 20637.
Features
  • Fitting,hose — FSC 1660
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Fitting,hose, cataloged under National Stock Number 1660-00-942-8560, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFitting,hose
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersAvox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN1660-00-942-8560
Primary Part Number20637
Item NameFitting,hose
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-266-9247 INTERCHANGEABLE
Drill,twist
5330-00-328-4510 INTERCHANGEABLE
Gasket
5325-00-631-529220637 INTERCHANGEABLE
Ring,retaining
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5342-00-777-764110-30191-23 INTERCHANGEABLE
Latch Assembly,cowl
The Boeing Company Div Legacy Wichita
1005-00-867-534511644080 INTERCHANGEABLE
Lining,clutch and B
U S Army Tank Automotive Command Amsta-Im-Mm
5970-01-010-8903 INTERCHANGEABLE
Insulator,washer
5306-01-099-295120637 INTERCHANGEABLE
Bolt
Midwest Gear & Tool, Inc.
5950-01-269-8240 INTERCHANGEABLE
Transformer,current
5975-01-298-3729206-37 INTERCHANGEABLE
Conduit Assembly,flexible
Dcx-Chol Enterprises, Inc.
4730-01-517-1513C20637 INTERCHANGEABLE
Coupling,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20637 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5133-00-266-9247INTERCHANGEABLE
DRILL,TWIST
5330-00-328-4510INTERCHANGEABLE
GASKET
5325-00-631-5292INTERCHANGEABLE
RING,RETAINING
20637
5342-00-777-7641INTERCHANGEABLE
LATCH ASSEMBLY,COWL
10-30191-23
1005-00-867-5345INTERCHANGEABLE
LINING,CLUTCH AND B
11644080
5970-01-010-8903INTERCHANGEABLE
INSULATOR,WASHER
5306-01-099-2951INTERCHANGEABLE
BOLT
20637
5950-01-269-8240INTERCHANGEABLE
TRANSFORMER,CURRENT
5975-01-298-3729INTERCHANGEABLE
CONDUIT ASSEMBLY,FLEXIBLE
206-37
4730-01-517-1513INTERCHANGEABLE
COUPLING,HOSE
C20637

Frequently Asked Questions

What is NSN 1660-00-942-8560?

NSN 1660-00-942-8560 is a Fitting,hose, 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 1660-00-942-8560?

NSN 1660-00-942-8560 has 1 cross-referenced part number: 20637 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-00-942-8560?

There are 10 known substitutes for 1660-00-942-8560: 5133-00-266-9247, 5330-00-328-4510, 5325-00-631-5292 and 7 more. Verify interchangeability with system specifications before substitution.

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