PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWN351Nipple,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-196-2034 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-196-2034 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-196-2034. Primary manufacturer part number: WWN351.
Features
  • Nipple,pipe — FSC 4730
  • Style Designator: LONG
  • Nominal Thread Size: 2.000 INCHES ALL ENDS IN
  • Material Document and Classification: ASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Specification/standard Data: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
  • Style Designator: LONG
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Connection Style: PLAIN (PIPE) ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-196-2034, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-196-2034
Primary Part NumberWWN351
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Style DesignatorLONG
Nominal Thread Size2.000 INCHES ALL ENDS IN
Material Document and ClassificationASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Specification/standard Data81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
Style DesignatorLONG
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Thread Series DesignatorNPT ALL ENDS
MaterialCOPPER ALLOY OVERALL
Nominal Overall Length5.500 INCHES IN
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size2.000 INCHES ALL ENDS IN
Nominal Overall Length5.500 INCHES IN
Specification/standard Data81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
Material Document and ClassificationASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-116-9614B687R-193B INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-196-1965B687R-12B INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-196-1969 INTERCHANGEABLE
Nipple,pipe
4730-00-196-1972B687R-27B INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-196-1973ASTM B687R-28B INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-196-1986 INTERCHANGEABLE
Nipple,pipe
4730-00-196-2011B687R-105B INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-196-2013 INTERCHANGEABLE
Nipple,pipe
4730-00-196-2020 INTERCHANGEABLE
Nipple,pipe
4730-00-196-2030 INTERCHANGEABLE
Nipple,pipe
Cross-Reference Index
Part NumberManufacturer
WWN351 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS51846-161 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ASTM B687 American Society for Testing and Materials Dba Astm International (USA)
MS51846 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-116-9614INTERCHANGEABLE
NIPPLE,PIPE
B687R-193B
4730-00-196-1965INTERCHANGEABLE
NIPPLE,PIPE
B687R-12B
4730-00-196-1969INTERCHANGEABLE
NIPPLE,PIPE
4730-00-196-1972INTERCHANGEABLE
NIPPLE,PIPE
B687R-27B
4730-00-196-1973INTERCHANGEABLE
NIPPLE,PIPE
ASTM B687R-28B
4730-00-196-1986INTERCHANGEABLE
NIPPLE,PIPE
4730-00-196-2011INTERCHANGEABLE
NIPPLE,PIPE
B687R-105B
4730-00-196-2013INTERCHANGEABLE
NIPPLE,PIPE
4730-00-196-2020INTERCHANGEABLE
NIPPLE,PIPE
4730-00-196-2030INTERCHANGEABLE
NIPPLE,PIPE
4730-00-196-2032INTERCHANGEABLE
NIPPLE,PIPE

Frequently Asked Questions

What is NSN 4730-00-196-2034?

NSN 4730-00-196-2034 is a Nipple,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-196-2034?

NSN 4730-00-196-2034 has 4 cross-referenced part numbers: WWN351 (Federal Specifications Promulgated by General Services Administration Washington DC), MS51846-161 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), ASTM B687 (American Society for Testing and Materials Dba Astm International), MS51846 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-196-2034?

There are 11 known substitutes for 4730-00-196-2034: 4730-00-116-9614, 4730-00-196-1965, 4730-00-196-1969 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWN351?

Key specifications for WWN351: Style Designator: LONG; Nominal Thread Size: 2.000 INCHES ALL ENDS IN; Material Document and Classification: ASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Specification/standard Data: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD. 17 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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