PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221-522Cap,pipe

Cnh Industrial America Llc Dba Cnh America · NSN 4730-00-228-1617 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-228-1617 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-228-1617. Primary manufacturer part number: 221-522.
Features
  • Cap,pipe — FSC 4730
  • Nondefinitive Spec/std Data: 1 TYPE
  • Thread Series Designator: NPT INTERNAL
  • Nominal Pipe Size for Which Designed: 0.125 INCHES IN
  • Thread Direction: RIGHT-HAND INTERNAL
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Connection Style: PLAIN (OPTIONAL END)
  • Material: IRON OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Cap,pipe, cataloged under National Stock Number 4730-00-228-1617, 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 Cnh Industrial America Llc Dba Cnh America. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-228-1617
Primary Part Number221-522
Item NameCap,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCnh Industrial America Llc Dba Cnh America
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE
Thread Series DesignatorNPT INTERNAL
Nominal Pipe Size for Which Designed0.125 INCHES IN
Thread DirectionRIGHT-HAND INTERNAL
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection StylePLAIN (OPTIONAL END)
MaterialIRON OVERALL
Style DesignatorCAP
Nominal Thread Size0.125 INCHES INTERNAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4730-00-050-4207AS15001-4 INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
1420-00-730-7449221522 INTERCHANGEABLE
Retainer Assembly,p
Eaton Aerospace, Llc Dba Jackson South
5998-01-178-1106105410 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
7040-01-291-5555 INTERCHANGEABLE
Slide Block
5975-01-376-8882125330-3 INTERCHANGEABLE
Rack,electrical Equipment
Bae Systems Information and Electronic Systems Integration Inc.
4730-01-503-856210-5075 INTERCHANGEABLE
Adapter,straight,hose to Gas Fit
Smith Welding Supply
5945-01-530-5296B221522 INTERCHANGEABLE
Solenoid,electrical
Bergstrom Inc
5310-01-550-4956 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Cross-Reference Index
Part NumberManufacturer
125-3303 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
B16.3 The American Society of Mechanical Engineers (USA)
105410 Navistar International Corporation Dba Navistar (USA)
221-522 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
105410 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
WW-P-521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
57B134-1-1B PRIMARY Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
Related Parts
4730-00-050-4207INTERCHANGEABLE
FITTING,LUBRICATION
AS15001-4
1420-00-730-7449INTERCHANGEABLE
RETAINER ASSEMBLY,P
221522
5998-01-178-1106INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
105410
7040-01-291-5555INTERCHANGEABLE
SLIDE BLOCK
5975-01-376-8882INTERCHANGEABLE
RACK,ELECTRICAL EQUIPMENT
125330-3
4730-01-503-8562INTERCHANGEABLE
ADAPTER,STRAIGHT,HOSE TO GAS FIT
10-5075
5945-01-530-5296INTERCHANGEABLE
SOLENOID,ELECTRICAL
B221522
5310-01-550-4956INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON

Frequently Asked Questions

What is NSN 4730-00-228-1617?

NSN 4730-00-228-1617 is a Cap,pipe, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-228-1617?

NSN 4730-00-228-1617 has 7 cross-referenced part numbers: 125-3303 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), B16.3 (The American Society of Mechanical Engineers), 105410 (Navistar International Corporation Dba Navistar), 221-522 (Cnh Industrial America Llc Dba Cnh America), 105410 (Navistar Intl Corp Truck Br Ohio Plant) and 2 more.

What NSN replaces 4730-00-228-1617?

There are 8 known substitutes for 4730-00-228-1617: 4730-00-050-4207, 1420-00-730-7449, 5998-01-178-1106 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 221-522?

Key specifications for 221-522: Nondefinitive Spec/std Data: 1 TYPE; Thread Series Designator: NPT INTERNAL; Nominal Pipe Size for Which Designed: 0.125 INCHES IN; Thread Direction: RIGHT-HAND INTERNAL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-228-1617 still in active supply?

NSN 4730-00-228-1617 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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