PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWN351TYPE1Nipple,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-256-7123 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-256-7123 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-256-7123. Primary manufacturer part number: WWN351TYPE1.
Features
  • Nipple,pipe — FSC 4730
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Nondefinitive Spec/std Data: 1 TYPE
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Nominal Thread Size: 6.000 INCHES ALL ENDS IN
  • Nominal Overall Length: 5.000 INCHES IN
  • Style Designator: CLOSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-256-7123, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-256-7123
Primary Part NumberWWN351TYPE1
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Nondefinitive Spec/std Data1 TYPE
Connection StylePLAIN (PIPE) ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size6.000 INCHES ALL ENDS IN
Nominal Overall Length5.000 INCHES IN
Style DesignatorCLOSE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-188-185503262 INTERCHANGEABLE
Nipple,pipe
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4730-00-193-2708 INTERCHANGEABLE
Nipple,pipe
4730-00-193-2725 INTERCHANGEABLE
Nipple,pipe
4730-00-196-14763240 INTERCHANGEABLE
Nipple,pipe
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4730-00-196-148204-0060 ITEM NO 33 INTERCHANGEABLE
Nipple,pipe
Ward Leonard Ct Llc
4730-00-196-1504A733S-75CFG INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-277-9660 INTERCHANGEABLE
Nipple,pipe
4730-00-277-9985A733S-224CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-278-4066 INTERCHANGEABLE
Nipple,pipe
4730-00-278-4106 INTERCHANGEABLE
Nipple,pipe
Cross-Reference Index
Part NumberManufacturer
WWN351TYPE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-188-1855INTERCHANGEABLE
NIPPLE,PIPE
03262
4730-00-193-2708INTERCHANGEABLE
NIPPLE,PIPE
4730-00-193-2725INTERCHANGEABLE
NIPPLE,PIPE
4730-00-196-1476INTERCHANGEABLE
NIPPLE,PIPE
3240
4730-00-196-1482INTERCHANGEABLE
NIPPLE,PIPE
04-0060 ITEM NO 33
4730-00-196-1504INTERCHANGEABLE
NIPPLE,PIPE
A733S-75CFG
4730-00-277-9660INTERCHANGEABLE
NIPPLE,PIPE
4730-00-277-9985INTERCHANGEABLE
NIPPLE,PIPE
A733S-224CFB
4730-00-278-4066INTERCHANGEABLE
NIPPLE,PIPE
4730-00-278-4106INTERCHANGEABLE
NIPPLE,PIPE

Frequently Asked Questions

What is NSN 4730-00-256-7123?

NSN 4730-00-256-7123 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 4730-00-256-7123?

NSN 4730-00-256-7123 has 1 cross-referenced part number: WWN351TYPE1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-256-7123?

There are 10 known substitutes for 4730-00-256-7123: 4730-00-188-1855, 4730-00-193-2708, 4730-00-193-2725 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWN351TYPE1?

Key specifications for WWN351TYPE1: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Nondefinitive Spec/std Data: 1 TYPE; Connection Style: PLAIN (PIPE) ALL ENDS; Thread Series Designator: NPT ALL ENDS. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-256-7123 still in active supply?

NSN 4730-00-256-7123 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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