PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWN351TYPE2Nipple,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-198-4724 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-198-4724 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-198-4724. Primary manufacturer part number: WWN351TYPE2.
Features
  • Nipple,pipe — FSC 4730
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Nondefinitive Spec/std Data: 2 TYPE
  • Nominal Overall Length: 5.500 INCHES IN
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Material: STEEL OVERALL
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-198-4724, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-198-4724
Primary Part NumberWWN351TYPE2
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Connection StylePLAIN (PIPE) ALL ENDS
Nondefinitive Spec/std Data2 TYPE
Nominal Overall Length5.500 INCHES IN
Nominal Thread Size0.750 INCHES ALL ENDS IN
MaterialSTEEL OVERALL
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Style DesignatorCLOSE
Nominal Thread Size0.750 INCHES ALL ENDS IN
MaterialSTEEL OVERALL
Nominal Overall Length5.500 INCHES IN
Style DesignatorCLOSE
Nondefinitive Spec/std Data2 TYPE
Thread Series DesignatorNPT ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-050-1989 INTERCHANGEABLE
Nipple,pipe
4730-00-193-2693A733S-199CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-198-4720150-405FPC794 INTERCHANGEABLE
Nipple,pipe
Naval Ship Systems Command
4730-00-277-8898A733S-196CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-277-9454F0-558 INTERCHANGEABLE
Nipple,pipe
Frick Co
4730-00-277-9457 INTERCHANGEABLE
Nipple,pipe
4730-00-288-6996A733XS-84CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-384-0189A733XS-75CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-595-18758328174 INTERCHANGEABLE
Nipple,pipe
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-640-5648 INTERCHANGEABLE
Nipple,pipe
Cross-Reference Index
Part NumberManufacturer
WWN351TYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-N-351 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS51873-108B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
WWN351TYPEB Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WW-N-351 TY3WTEXTRA-STRONG General Services Administration Federal Supply Service (USA)
Related Parts
4730-00-050-1989INTERCHANGEABLE
NIPPLE,PIPE
4730-00-193-2693INTERCHANGEABLE
NIPPLE,PIPE
A733S-199CFB
4730-00-198-4720INTERCHANGEABLE
NIPPLE,PIPE
150-405FPC794
4730-00-277-8898INTERCHANGEABLE
NIPPLE,PIPE
A733S-196CFB
4730-00-277-9454INTERCHANGEABLE
NIPPLE,PIPE
F0-558
4730-00-277-9457INTERCHANGEABLE
NIPPLE,PIPE
4730-00-288-6996INTERCHANGEABLE
NIPPLE,PIPE
A733XS-84CFB
4730-00-384-0189INTERCHANGEABLE
NIPPLE,PIPE
A733XS-75CFB
4730-00-595-1875INTERCHANGEABLE
NIPPLE,PIPE
8328174
4730-00-640-5648INTERCHANGEABLE
NIPPLE,PIPE
4730-00-804-7360INTERCHANGEABLE
NIPPLE,PIPE
4730-00-913-7820INTERCHANGEABLE
NIPPLE,PIPE

Frequently Asked Questions

What is NSN 4730-00-198-4724?

NSN 4730-00-198-4724 is a Nipple,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-198-4724?

NSN 4730-00-198-4724 has 5 cross-referenced part numbers: WWN351TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC), WW-N-351 (Federal Specifications Promulgated by General Services Administration Washington DC), MS51873-108B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), WWN351TYPEB (Federal Specifications Promulgated by General Services Administration Washington DC), WW-N-351 TY3WTEXTRA-STRONG (General Services Administration Federal Supply Service).

What NSN replaces 4730-00-198-4724?

There are 12 known substitutes for 4730-00-198-4724: 4730-00-050-1989, 4730-00-193-2693, 4730-00-198-4720 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWN351TYPE2?

Key specifications for WWN351TYPE2: Connection Style: PLAIN (PIPE) ALL ENDS; Nondefinitive Spec/std Data: 2 TYPE; Nominal Overall Length: 5.500 INCHES IN; Nominal Thread Size: 0.750 INCHES ALL ENDS IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-198-4724 still in active supply?

NSN 4730-00-198-4724 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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