PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21809Elbow,tube

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 4730-01-517-0500 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-517-0500 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-517-0500. Primary manufacturer part number: 21809.
Features
  • Elbow,tube — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Elbow,tube, cataloged under National Stock Number 4730-01-517-0500, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-517-0500
Primary Part Number21809
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-01-125-51912N5988 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5305-01-159-655221809 INTERCHANGEABLE
Screw,externally Relieved Body
Bradford Vibrators Co the
5950-01-210-109921809 INTERCHANGEABLE
Transformer,power
Westerbeke Corporation
4810-01-492-021021065-004 INTERCHANGEABLE
Valve,ball
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-495-342521349-1010-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21809 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
21809 Itw Gse Inc. (USA)
Related Parts
5961-01-125-5191INTERCHANGEABLE
TRANSISTOR
2N5988
5305-01-159-6552INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
21809
5950-01-210-1099INTERCHANGEABLE
TRANSFORMER,POWER
21809
4810-01-492-0210INTERCHANGEABLE
VALVE,BALL
21065-004
4820-01-495-3425INTERCHANGEABLE
PISTON,VALVE
21349-1010-1

Frequently Asked Questions

What is NSN 4730-01-517-0500?

NSN 4730-01-517-0500 is a Elbow,tube, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-517-0500?

NSN 4730-01-517-0500 has 2 cross-referenced part numbers: 21809 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 21809 (Itw Gse Inc.).

What NSN replaces 4730-01-517-0500?

There are 5 known substitutes for 4730-01-517-0500: 5961-01-125-5191, 5305-01-159-6552, 5950-01-210-1099 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21809?

Key specifications for 21809: End Item Identification: F-22 RAPTOR; Part Name Assigned by Controlling Agency: FITTING, ELBOW, TUBE. 2 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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