PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DD421S49-0229PC505Nipple,pipe

Naval Ship Systems Command · NSN 4730-00-198-4720 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-198-4720 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-198-4720. Primary manufacturer part number: DD421S49-0229PC505.
Features
  • Nipple,pipe — FSC 4730
  • Nondefinitive Spec/std Data: 2 TYPE
  • Nominal Overall Length: 3.000 INCHES IN
  • Style Designator: LONG
  • Leg Length: 0.750 INCHES NOMINAL FIRST END IN
  • Thread Series Designator: NPT ALL ENDS
  • Leg Length: 0.656 INCHES NOMINAL SECOND END IN
  • Surface Treatment: OXIDE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-198-4720, 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 Naval Ship Systems Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-198-4720
Primary Part NumberDD421S49-0229PC505
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Nondefinitive Spec/std Data2 TYPE
Nominal Overall Length3.000 INCHES IN
Style DesignatorLONG
Leg Length0.750 INCHES NOMINAL FIRST END IN
Thread Series DesignatorNPT ALL ENDS
Leg Length0.656 INCHES NOMINAL SECOND END IN
Surface TreatmentOXIDE OVERALL
MaterialSTEEL OVERALL
Nominal Thread Size0.500 INCHES ALL ENDS IN
Nondefinitive Spec/std Data2 TYPE
Material Document and ClassificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length3.000 INCHES IN
Connection StylePLAIN (PIPE) ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Surface TreatmentOXIDE OVERALL
Nominal Thread Size0.500 INCHES ALL ENDS IN
MaterialSTEEL OVERALL
Thread Series DesignatorNPT ALL ENDS
Style DesignatorLONG
Material Document and ClassificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4730-00-050-1989 INTERCHANGEABLE
Nipple,pipe
5945-00-084-3462 INTERCHANGEABLE
Relay,electromagnetic
5845-00-122-647994129 INTERCHANGEABLE
Ratchet Housing
L3 Technologies, Inc. Div L3harris Edo Western Corporation
3110-00-198-0463026395 INTERCHANGEABLE
Roller,bearing
Timken Aerospace, Inc Dba Torrington Product
4730-00-198-4724 INTERCHANGEABLE
Nipple,pipe
3455-00-228-5270716-079413 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
4730-00-277-9457 INTERCHANGEABLE
Nipple,pipe
4730-00-288-6996A733XS-84CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-640-5648 INTERCHANGEABLE
Nipple,pipe
4730-00-804-7360 INTERCHANGEABLE
Nipple,pipe
Cross-Reference Index
Part NumberManufacturer
DD421S49-0229PC505 PRIMARY Naval Ship Systems Command (USA)
2742M9-19 United Catalysts Inc (USA)
150-434YPC505 PRIMARY Naval Ship Systems Command (USA)
150-405YPC275 PRIMARY Naval Ship Systems Command (USA)
150-405FPC794 PRIMARY Naval Ship Systems Command (USA)
150-434YPC275 PRIMARY Naval Ship Systems Command (USA)
DD421S49-0229PC275 PRIMARY Naval Ship Systems Command (USA)
20-505Y PRIMARY Naval Ship Systems Command (USA)
DD421S49-0210PC275 PRIMARY Naval Ship Systems Command (USA)
DD423S49-0212PC794 PRIMARY Naval Ship Systems Command (USA)
94-129 Johnson Controls Navy Systems, Llc (USA)
150-620FFPC794 PRIMARY Naval Ship Systems Command (USA)
WW-N-351 Mindeco Corp (USA)
ASTM A733 American Society for Testing and Materials Dba Astm International (USA)
150-405YPC505 PRIMARY Naval Ship Systems Command (USA)
DD423S49-0133PC794 PRIMARY Naval Ship Systems Command (USA)
150-620FPC794 PRIMARY Naval Ship Systems Command (USA)
20-794 PRIMARY Naval Ship Systems Command (USA)
20-275Y PRIMARY Naval Ship Systems Command (USA)
WW-N-351TYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-050-1989INTERCHANGEABLE
NIPPLE,PIPE
5945-00-084-3462INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5845-00-122-6479INTERCHANGEABLE
RATCHET HOUSING
94129
3110-00-198-0463INTERCHANGEABLE
ROLLER,BEARING
026395
4730-00-198-4724INTERCHANGEABLE
NIPPLE,PIPE
3455-00-228-5270INTERCHANGEABLE
CUTTER,MILLING,END
716-079413
4730-00-277-9457INTERCHANGEABLE
NIPPLE,PIPE
4730-00-288-6996INTERCHANGEABLE
NIPPLE,PIPE
A733XS-84CFB
4730-00-640-5648INTERCHANGEABLE
NIPPLE,PIPE
4730-00-804-7360INTERCHANGEABLE
NIPPLE,PIPE
4730-00-982-8959INTERCHANGEABLE
NIPPLE,PIPE

Frequently Asked Questions

What is NSN 4730-00-198-4720?

NSN 4730-00-198-4720 is a Nipple,pipe, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-198-4720?

NSN 4730-00-198-4720 has 23 cross-referenced part numbers: DD421S49-0229PC505 (Naval Ship Systems Command), 2742M9-19 (United Catalysts Inc), 150-434YPC505 (Naval Ship Systems Command), 150-405YPC275 (Naval Ship Systems Command), 150-405FPC794 (Naval Ship Systems Command) and 18 more.

What NSN replaces 4730-00-198-4720?

There are 11 known substitutes for 4730-00-198-4720: 4730-00-050-1989, 5945-00-084-3462, 5845-00-122-6479 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DD421S49-0229PC505?

Key specifications for DD421S49-0229PC505: Nondefinitive Spec/std Data: 2 TYPE; Nominal Overall Length: 3.000 INCHES IN; Style Designator: LONG; Leg Length: 0.750 INCHES NOMINAL FIRST END IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-198-4720 still in active supply?

NSN 4730-00-198-4720 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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