PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21856-4Tube,metallic

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 4710-01-056-1427 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-01-056-1427 — this item is cataloged by the U.S. Government under National Stock Number 4710-01-056-1427. Primary manufacturer part number: 21856-4.
Features
  • Tube,metallic — FSC 4710
  • 1 verified cross-reference
  • Primary manufacturer: United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube,metallic, cataloged under National Stock Number 4710-01-056-1427, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTube,metallic
FSC / FSG4710 — No Item Name Available (FSG 47)
ManufacturersUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City (CAGE 07070)
Technical Specifications
ParameterValue
NSN4710-01-056-1427
Primary Part Number21856-4
Item NameTube,metallic
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-021-8564187197 INTERCHANGEABLE
Nut,plain,hexagon
Lockheed Martin Corporation Div Rms - Mitchel Field
5985-00-303-8092218564 INTERCHANGEABLE
Waveguide Assembly
Microtech Inc Dba Microtech Inc
5365-01-190-7190218564 INTERCHANGEABLE
Ring
Woodward, Inc. Div Fuel Systems and Controls
4010-01-506-63343550T373 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Mcmaster-Carr Supply Co
Cross-Reference Index
Part NumberManufacturer
21856-4 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
5310-00-021-8564INTERCHANGEABLE
NUT,PLAIN,HEXAGON
187197
5985-00-303-8092INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
218564
5365-01-190-7190INTERCHANGEABLE
RING
218564
4010-01-506-6334INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
3550T373

Frequently Asked Questions

What is NSN 4710-01-056-1427?

NSN 4710-01-056-1427 is a Tube,metallic, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-01-056-1427?

NSN 4710-01-056-1427 has 1 cross-referenced part number: 21856-4 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 4710-01-056-1427?

There are 4 known substitutes for 4710-01-056-1427: 5310-00-021-8564, 5985-00-303-8092, 5365-01-190-7190 and 1 more. Verify interchangeability with system specifications before substitution.

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