PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21435Hose,flexible Metal

Kidde-Fenwal, Llc · NSN 1680-00-182-4021 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-182-4021 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-182-4021. Primary manufacturer part number: 21435.
Features
  • Hose,flexible Metal — FSC 1680
  • General Characteristics Item Description: FLEXIBLE BRONZE TUBING COVERED WITH BRONZE BASKET WEAVE BRAID 3/8 I.D.,BRASS COUPLING ASSEMBLY,FINISH NICKEL OR CADMIUM PLATE
  • 1 verified cross-reference
  • Primary manufacturer: Kidde-Fenwal, Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,flexible Metal, cataloged under National Stock Number 1680-00-182-4021, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Kidde-Fenwal, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN1680-00-182-4021
Primary Part Number21435
Item NameHose,flexible Metal
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerKidde-Fenwal, Llc
StatusACTIVE
General Characteristics Item DescriptionFLEXIBLE BRONZE TUBING COVERED WITH BRONZE BASKET WEAVE BRAID 3/8 I.D.,BRASS COUPLING ASSEMBLY,FINISH NICKEL OR CADMIUM PLATE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2915-00-073-573421435 INTERCHANGEABLE
Cover Assembly,box
Triumph Controls, Llc Dba Triumph Controls, Llc
5962-00-172-5570339024 INTERCHANGEABLE
Microcircuit,digital
Telemechanics Inc
9540-01-099-417021435 INTERCHANGEABLE
Channel,structural
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6125-01-149-316521435 INTERCHANGEABLE
Motor-Generator
Kurz & Root Generator Company, Llc
5945-01-169-8009 INTERCHANGEABLE
Relay,hybrid
3040-01-192-359221435 INTERCHANGEABLE
Head,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
4710-01-350-897121435 INTERCHANGEABLE
Tube,metallic
Parker Hannifin Corporation Div Hydraulic Systems Division
5930-01-577-741921-435 INTERCHANGEABLE
Switch,sensitive
Pollak Joseph Corp
Cross-Reference Index
Part NumberManufacturer
21435 PRIMARY Kidde-Fenwal, Llc (USA)
Related Parts
2915-00-073-5734INTERCHANGEABLE
COVER ASSEMBLY,BOX
21435
5962-00-172-5570INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
339024
9540-01-099-4170INTERCHANGEABLE
CHANNEL,STRUCTURAL
21435
6125-01-149-3165INTERCHANGEABLE
MOTOR-GENERATOR
21435
5945-01-169-8009INTERCHANGEABLE
RELAY,HYBRID
3040-01-192-3592INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
21435
4710-01-350-8971INTERCHANGEABLE
TUBE,METALLIC
21435
5930-01-577-7419INTERCHANGEABLE
SWITCH,SENSITIVE
21-435

Frequently Asked Questions

What is NSN 1680-00-182-4021?

NSN 1680-00-182-4021 is a Hose,flexible Metal, manufactured by Kidde-Fenwal, Llc, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-182-4021?

NSN 1680-00-182-4021 has 1 cross-referenced part number: 21435 (Kidde-Fenwal, Llc).

What NSN replaces 1680-00-182-4021?

There are 8 known substitutes for 1680-00-182-4021: 2915-00-073-5734, 5962-00-172-5570, 9540-01-099-4170 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21435?

Key specifications for 21435: General Characteristics Item Description: FLEXIBLE BRONZE TUBING COVERED WITH BRONZE BASKET WEAVE BRAID 3/8 I.D.,BRASS COUPLING ASSEMBLY,FINISH NICKEL OR CADMIUM PLATE. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com