PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21834Sleeve,flared,tube Fitting

Triumph Controls, Llc Dba Triumph Controls, Llc · NSN 4730-00-230-9395 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-230-9395 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-230-9395. Primary manufacturer part number: 21834.
Features
  • Sleeve,flared,tube Fitting — FSC 4730
  • Casehardening Indicator: NOT CASEHARDENED
  • Metallic Hardness Rating: 40.0 NOMINAL ROCKWELL C
  • Surface Treatment: PASSIVATE
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Triumph Controls, Llc Dba Triumph Controls, Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Sleeve,flared,tube Fitting, cataloged under National Stock Number 4730-00-230-9395, 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 Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 4 verified specifications, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-230-9395
Primary Part Number21834
Item NameSleeve,flared,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Controls, Llc Dba Triumph Controls, Llc
StatusACTIVE
Casehardening IndicatorNOT CASEHARDENED
Metallic Hardness Rating40.0 NOMINAL ROCKWELL C
Surface TreatmentPASSIVATE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-424-324321834 INTERCHANGEABLE
Washer,flat
Mitsubishi Caterpillar Forklift America, Inc
2520-00-562-07061K2811 INTERCHANGEABLE
Collar,clutch Shift
Caterpillar Inc Div Caterpillar Defense
5325-01-239-934821834 INTERCHANGEABLE
Ring,retaining
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
5340-01-418-851621834 INTERCHANGEABLE
Plate,mounting
Elbitamerica, Inc.
4810-01-495-257521185-1003-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5360-01-495-389721834 FIND 20 INTERCHANGEABLE
Spring,helical,compression
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5306-01-707-736021834-FIND NO-57 INTERCHANGEABLE
Bolt,internal Wrenching
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-711-0052 INTERCHANGEABLE
Valve Assembly
Cross-Reference Index
Part NumberManufacturer
21834 PRIMARY Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
21834 Satair A/s (DNK)
Related Parts
5310-00-424-3243INTERCHANGEABLE
WASHER,FLAT
21834
2520-00-562-0706INTERCHANGEABLE
COLLAR,CLUTCH SHIFT
1K2811
5325-01-239-9348INTERCHANGEABLE
RING,RETAINING
21834
5340-01-418-8516INTERCHANGEABLE
PLATE,MOUNTING
21834
4810-01-495-2575INTERCHANGEABLE
PISTON,VALVE
21185-1003-1
5360-01-495-3897INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21834 FIND 20
5306-01-707-7360INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
21834-FIND NO-57
4820-01-711-0052INTERCHANGEABLE
VALVE ASSEMBLY

Frequently Asked Questions

What is NSN 4730-00-230-9395?

NSN 4730-00-230-9395 is a Sleeve,flared,tube Fitting, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-230-9395?

NSN 4730-00-230-9395 has 2 cross-referenced part numbers: 21834 (Triumph Controls, Llc Dba Triumph Controls, Llc), 21834 (Satair A/s).

What NSN replaces 4730-00-230-9395?

There are 8 known substitutes for 4730-00-230-9395: 5310-00-424-3243, 2520-00-562-0706, 5325-01-239-9348 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21834?

Key specifications for 21834: Casehardening Indicator: NOT CASEHARDENED; Metallic Hardness Rating: 40.0 NOMINAL ROCKWELL C; Surface Treatment: PASSIVATE; Material: STEEL CORROSION RESISTING. 5 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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