PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWP401Plug,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-277-8632 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-8632 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-8632. Primary manufacturer part number: WWP401.
Features
  • Plug,pipe — FSC 4730
  • Body Type: CORED
  • Thread Direction: RIGHT-HAND EXTERNAL
  • Thread Series Designator: NPT EXTERNAL
  • Material: COPPER ALLOY OVERALL
  • Nominal Pipe Size for Which Designed: 2.500 INCHES IN
  • Connection Style: PLAIN
  • Drive End Style: RAISED HEXAGON
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-00-277-8632, 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 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-8632
Primary Part NumberWWP401
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Body TypeCORED
Thread DirectionRIGHT-HAND EXTERNAL
Thread Series DesignatorNPT EXTERNAL
MaterialCOPPER ALLOY OVERALL
Nominal Pipe Size for Which Designed2.500 INCHES IN
Connection StylePLAIN
Drive End StyleRAISED HEXAGON
Nominal Thread Size2.500 INCHES EXTERNAL IN
Head TypeCORED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4730-00-001-4451 INTERCHANGEABLE
Coupling,pipe
4710-00-163-6934 INTERCHANGEABLE
Pipe,metallic
4730-00-174-6022 INTERCHANGEABLE
Trap,soil Pipe
4730-00-187-4230 INTERCHANGEABLE
Plug,pipe
4730-00-187-4232 INTERCHANGEABLE
Plug,pipe
4730-00-187-4235 INTERCHANGEABLE
Plug,pipe
4730-00-270-3907 INTERCHANGEABLE
Ferrule with Plug,soil Pipe
4730-00-270-3908 INTERCHANGEABLE
Ferrule with Plug,soil Pipe
4710-00-277-4887 INTERCHANGEABLE
Pipe,metallic
4710-00-278-6325 INTERCHANGEABLE
Pipe,metallic
Cross-Reference Index
Part NumberManufacturer
WWP401 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
BRASSPLUGPIPE Crane Co Div Valve Div (USA)
ASTM A74 American Society for Testing and Materials Dba Astm International (USA)
WWP460 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-001-4451INTERCHANGEABLE
COUPLING,PIPE
4710-00-163-6934INTERCHANGEABLE
PIPE,METALLIC
4730-00-174-6022INTERCHANGEABLE
TRAP,SOIL PIPE
4730-00-187-4230INTERCHANGEABLE
PLUG,PIPE
4730-00-187-4232INTERCHANGEABLE
PLUG,PIPE
4730-00-187-4235INTERCHANGEABLE
PLUG,PIPE
4730-00-270-3907INTERCHANGEABLE
FERRULE WITH PLUG,SOIL PIPE
4730-00-270-3908INTERCHANGEABLE
FERRULE WITH PLUG,SOIL PIPE
4710-00-277-4887INTERCHANGEABLE
PIPE,METALLIC
4710-00-278-6325INTERCHANGEABLE
PIPE,METALLIC
4730-00-278-6351INTERCHANGEABLE
REDUCER,SOIL PIPE

Frequently Asked Questions

What is NSN 4730-00-277-8632?

NSN 4730-00-277-8632 is a Plug,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 4730-00-277-8632?

NSN 4730-00-277-8632 has 4 cross-referenced part numbers: WWP401 (Federal Specifications Promulgated by General Services Administration Washington DC), BRASSPLUGPIPE (Crane Co Div Valve Div), ASTM A74 (American Society for Testing and Materials Dba Astm International), WWP460 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-277-8632?

There are 11 known substitutes for 4730-00-277-8632: 4730-00-001-4451, 4710-00-163-6934, 4730-00-174-6022 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWP401?

Key specifications for WWP401: Body Type: CORED; Thread Direction: RIGHT-HAND EXTERNAL; Thread Series Designator: NPT EXTERNAL; Material: COPPER ALLOY OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-8632 still in active supply?

NSN 4730-00-277-8632 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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