PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25003-2Tee,tube to Boss

Hydraulics International, Inc. Dba Hydraulics International Inc · NSN 4730-01-409-1221 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-409-1221 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-409-1221. Primary manufacturer part number: 25003-2.
Features
  • Tee,tube to Boss — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Hydraulics International, Inc. Dba Hydraulics International Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tee,tube to Boss, cataloged under National Stock Number 4730-01-409-1221, 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 Hydraulics International, Inc. Dba Hydraulics International Inc. 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.

Catalog Facts
Item NameTee,tube to Boss
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersHydraulics International, Inc. Dba Hydraulics International Inc (CAGE 56529); Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging (CAGE 2N386)
Technical Specifications
ParameterValue
NSN4730-01-409-1221
Primary Part Number25003-2
Item NameTee,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHydraulics International, Inc. Dba Hydraulics International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-078-231025003-1 INTERCHANGEABLE
Nozzle,fuel Injection
Collins Engine Nozzles, Inc
5330-00-176-39732136442 INTERCHANGEABLE
Gasket
General Motors Corp
5360-00-375-2724190035 INTERCHANGEABLE
Spring,helical,compression
Dresser, Llc
5950-00-432-6626 INTERCHANGEABLE
Coil,radio Frequency
3610-01-003-568125003 INTERCHANGEABLE
Plate,photoconducto
Microwave Power Products, Inc. Div Microwave Power Products Division
4130-01-042-7650 INTERCHANGEABLE
Filter Element,air Conditioning
5340-01-209-770625003 INTERCHANGEABLE
Clip,retaining
Twg Canada Consolidated Inc
5945-01-233-8456 INTERCHANGEABLE
Relay,electromagnetic
8470-01-506-6625 INTERCHANGEABLE
Clamp,p,helmet,advanced Combat
5340-01-537-8388 INTERCHANGEABLE
Bracket,mounting
Cross-Reference Index
Part NumberManufacturer
25003-2 PRIMARY Hydraulics International, Inc. Dba Hydraulics International Inc (USA)
25003 Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging (USA)
Related Parts
2915-00-078-2310INTERCHANGEABLE
NOZZLE,FUEL INJECTION
25003-1
5330-00-176-3973INTERCHANGEABLE
GASKET
2136442
5360-00-375-2724INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
190035
5950-00-432-6626INTERCHANGEABLE
COIL,RADIO FREQUENCY
3610-01-003-5681INTERCHANGEABLE
PLATE,PHOTOCONDUCTO
25003
4130-01-042-7650INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
5340-01-209-7706INTERCHANGEABLE
CLIP,RETAINING
25003
5945-01-233-8456INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8470-01-506-6625INTERCHANGEABLE
CLAMP,P,HELMET,ADVANCED COMBAT
5340-01-537-8388INTERCHANGEABLE
BRACKET,MOUNTING
6230-01-554-4550INTERCHANGEABLE
HOLDER,LIGHT
1560-01-650-9375INTERCHANGEABLE
WEB,STRUCTURAL COMPONENT,AIRCRAF
2-5003-2

Frequently Asked Questions

What is NSN 4730-01-409-1221?

NSN 4730-01-409-1221 is a Tee,tube to Boss, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-409-1221?

NSN 4730-01-409-1221 has 2 cross-referenced part numbers: 25003-2 (Hydraulics International, Inc. Dba Hydraulics International Inc), 25003 (Hydraulics International, Inc. Dba Use CAGE Code 56529 for Cataloging).

What NSN replaces 4730-01-409-1221?

There are 12 known substitutes for 4730-01-409-1221: 2915-00-078-2310, 5330-00-176-3973, 5360-00-375-2724 and 9 more. Verify interchangeability with system specifications before substitution.

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