PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6210Coupling Assembly,breathing Tube

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-00-337-5357 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-337-5357 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-337-5357. Primary manufacturer part number: 6210.
Features
  • Coupling Assembly,breathing Tube — FSC 1660
  • General Characteristics Item Description: 0.875 IN. OD,1.812 IN. LG,C/O 1 PIN,2 COUPLING NUTS,2 COUPLING NIPPLES,2 RETAINING RINGS,1 O RING IN
  • 2 verified cross-references
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling Assembly,breathing Tube, cataloged under National Stock Number 1660-00-337-5357, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-337-5357
Primary Part Number6210
Item NameCoupling Assembly,breathing Tube
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
General Characteristics Item Description0.875 IN. OD,1.812 IN. LG,C/O 1 PIN,2 COUPLING NUTS,2 COUPLING NIPPLES,2 RETAINING RINGS,1 O RING IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4140-00-007-2340 INTERCHANGEABLE
Impeller,fan,axial
1005-00-019-79256210 INTERCHANGEABLE
Slide
Smith & Wesson Sales Company
5950-00-020-89761851640 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation
5440-00-061-8899FS1510 INTERCHANGEABLE
Stepladder
Louisville Ladder Inc
3110-00-144-8540113276-17 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-277-387442F-10 INTERCHANGEABLE
Nipple,tube
Fd Johnson Co
5975-00-280-6079 INTERCHANGEABLE
Locknut,electrical Conduit
5310-00-281-5359 INTERCHANGEABLE
Nut,plain,castellated,hexagon
1680-00-303-30536210 INTERCHANGEABLE
Dipstick and Cap As
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
3110-00-542-0021 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
6210 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
4140-00-007-2340INTERCHANGEABLE
IMPELLER,FAN,AXIAL
1005-00-019-7925INTERCHANGEABLE
SLIDE
6210
5950-00-020-8976INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1851640
5440-00-061-8899INTERCHANGEABLE
STEPLADDER
FS1510
3110-00-144-8540INTERCHANGEABLE
BEARING,BALL,ANNULAR
113276-17
4730-00-277-3874INTERCHANGEABLE
NIPPLE,TUBE
42F-10
5975-00-280-6079INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
5310-00-281-5359INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
1680-00-303-3053INTERCHANGEABLE
DIPSTICK AND CAP AS
6210
3110-00-542-0021INTERCHANGEABLE
BEARING,BALL,ANNULAR
5920-00-548-3125INTERCHANGEABLE
FUSE,CARTRIDGE
5950-00-648-1033INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SGM9

Frequently Asked Questions

What is NSN 1660-00-337-5357?

NSN 1660-00-337-5357 is a Coupling Assembly,breathing Tube, 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 1660-00-337-5357?

NSN 1660-00-337-5357 has 2 cross-referenced part numbers: 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 6210 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-00-337-5357?

There are 12 known substitutes for 1660-00-337-5357: 4140-00-007-2340, 1005-00-019-7925, 5950-00-020-8976 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6210?

Key specifications for 6210: General Characteristics Item Description: 0.875 IN. OD,1.812 IN. LG,C/O 1 PIN,2 COUPLING NUTS,2 COUPLING NIPPLES,2 RETAINING RINGS,1 O RING IN. 1 total characteristics are documented in the Federal Logistics Information System.

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