PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWN351Nipple,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-640-5648 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-5648 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-5648. Primary manufacturer part number: WWN351.
Features
  • Nipple,pipe — FSC 4730
  • Material: STEEL OVERALL
  • Thread Series Designator: NPT FIRST END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Material Document and Classification: ASTM A106 AND ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Overall Length: 2.000 INCHES IN
  • Nominal Thread Size: 1.500 INCHES FIRST END IN
  • Nondefinitive Spec/std Data: 2 TYPE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-640-5648, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-640-5648
Primary Part NumberWWN351
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialSTEEL OVERALL
Thread Series DesignatorNPT FIRST END
Connection StylePLAIN (PIPE) FIRST END
Material Document and ClassificationASTM A106 AND ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length2.000 INCHES IN
Nominal Thread Size1.500 INCHES FIRST END IN
Nondefinitive Spec/std Data2 TYPE
Style DesignatorCLOSE
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5305-00-013-7772219375 INTERCHANGEABLE
Screw,machine
Woodward, Inc. Div Fuel Systems and Controls
4730-00-050-1989 INTERCHANGEABLE
Nipple,pipe
4730-00-198-4720150-405FPC794 INTERCHANGEABLE
Nipple,pipe
Naval Ship Systems Command
4730-00-198-4724 INTERCHANGEABLE
Nipple,pipe
4730-00-277-9457 INTERCHANGEABLE
Nipple,pipe
4730-00-288-6996A733XS-84CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4730-00-804-7360 INTERCHANGEABLE
Nipple,pipe
4730-00-982-8959 INTERCHANGEABLE
Nipple,pipe
6130-01-611-0784DISCOVERY BATTERY INTERCHANGEABLE
Battery Power Supply
Orascoptic Research
Cross-Reference Index
Part NumberManufacturer
WWN351 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WWN351TYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
219375 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
5305-00-013-7772INTERCHANGEABLE
SCREW,MACHINE
219375
4730-00-050-1989INTERCHANGEABLE
NIPPLE,PIPE
4730-00-198-4720INTERCHANGEABLE
NIPPLE,PIPE
150-405FPC794
4730-00-198-4724INTERCHANGEABLE
NIPPLE,PIPE
4730-00-277-9457INTERCHANGEABLE
NIPPLE,PIPE
4730-00-288-6996INTERCHANGEABLE
NIPPLE,PIPE
A733XS-84CFB
4730-00-804-7360INTERCHANGEABLE
NIPPLE,PIPE
4730-00-982-8959INTERCHANGEABLE
NIPPLE,PIPE
6130-01-611-0784INTERCHANGEABLE
BATTERY POWER SUPPLY
DISCOVERY BATTERY

Frequently Asked Questions

What is NSN 4730-00-640-5648?

NSN 4730-00-640-5648 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 4730-00-640-5648?

NSN 4730-00-640-5648 has 3 cross-referenced part numbers: WWN351 (Federal Specifications Promulgated by General Services Administration Washington DC), WWN351TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC), 219375 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 4730-00-640-5648?

There are 9 known substitutes for 4730-00-640-5648: 5305-00-013-7772, 4730-00-050-1989, 4730-00-198-4720 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWN351?

Key specifications for WWN351: Material: STEEL OVERALL; Thread Series Designator: NPT FIRST END; Connection Style: PLAIN (PIPE) FIRST END; Material Document and Classification: ASTM A106 AND ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-640-5648 still in active supply?

NSN 4730-00-640-5648 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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