PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5818-4INPlug,pipe

Nibco Inc · NSN 4730-01-166-9250 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-166-9250 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-166-9250. Primary manufacturer part number: 5818-4IN.
Features
  • Plug,pipe — FSC 4730
  • Specification/standard Data: 81346-ASTM D2661 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Nominal Pipe Size for Which Designed: 4.000 INCHES IN
  • Thread Direction: RIGHT-HAND EXTERNAL
  • Drive End Style: RAISED SQUARE
  • Thread Series Designator: NPT EXTERNAL
  • Material: PLASTIC OVERALL
  • Material Document and Classification: ASTM D1788,CL 4-2-2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-01-166-9250, 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 Nibco Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN4730-01-166-9250
Primary Part Number5818-4IN
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNibco Inc
StatusACTIVE
Specification/standard Data81346-ASTM D2661 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Nominal Pipe Size for Which Designed4.000 INCHES IN
Thread DirectionRIGHT-HAND EXTERNAL
Drive End StyleRAISED SQUARE
Thread Series DesignatorNPT EXTERNAL
MaterialPLASTIC OVERALL
Material Document and ClassificationASTM D1788,CL 4-2-2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection StylePLAIN
Exterior ColorBLACK BODY
Body TypeSOLID
Nominal Thread Size4.000 INCHES EXTERNAL IN
Nondefinitive Spec/std Data4IN SIZE IN
Head TypeSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4710-01-019-2999 INTERCHANGEABLE
Pipe,plastic
4730-01-165-0753ASTM D2661 INTERCHANGEABLE
Tee-Y,drainage Pipe
American Society for Testing and Materials Dba Astm International
4730-01-165-0754 INTERCHANGEABLE
Tee-Y,drainage Pipe
4730-01-165-1457 INTERCHANGEABLE
Plug,pipe
4730-01-165-5891 INTERCHANGEABLE
Plug,pipe
4730-01-167-2793 INTERCHANGEABLE
Elbow,drainage Pipe
4730-01-167-9110 INTERCHANGEABLE
Tee-Y,drainage Pipe
4730-01-168-1920 INTERCHANGEABLE
Tee,drainage Pipe
4710-01-169-7756 INTERCHANGEABLE
Pipe,plastic
4710-01-182-4591 INTERCHANGEABLE
Pipe,plastic
Cross-Reference Index
Part NumberManufacturer
5818-4IN Nibco Inc (USA)
3054 4IN ABS George Fischer Sloane, Inc. (USA)
ASTMD2661 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
4710-01-019-2999INTERCHANGEABLE
PIPE,PLASTIC
4730-01-165-0753INTERCHANGEABLE
TEE-Y,DRAINAGE PIPE
ASTM D2661
4730-01-165-0754INTERCHANGEABLE
TEE-Y,DRAINAGE PIPE
4730-01-165-1457INTERCHANGEABLE
PLUG,PIPE
4730-01-165-5891INTERCHANGEABLE
PLUG,PIPE
4730-01-167-2793INTERCHANGEABLE
ELBOW,DRAINAGE PIPE
4730-01-167-9110INTERCHANGEABLE
TEE-Y,DRAINAGE PIPE
4730-01-168-1920INTERCHANGEABLE
TEE,DRAINAGE PIPE
4710-01-169-7756INTERCHANGEABLE
PIPE,PLASTIC
4710-01-182-4591INTERCHANGEABLE
PIPE,PLASTIC
4730-01-191-4107INTERCHANGEABLE
REDUCER,PIPE
2753ABS
4730-01-245-6588INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-01-166-9250?

NSN 4730-01-166-9250 is a Plug,pipe, manufactured by Nibco Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-166-9250?

NSN 4730-01-166-9250 has 3 cross-referenced part numbers: 5818-4IN (Nibco Inc), 3054 4IN ABS (George Fischer Sloane, Inc.), ASTMD2661 (American Society for Testing and Materials Dba Astm International).

What NSN replaces 4730-01-166-9250?

There are 12 known substitutes for 4730-01-166-9250: 4710-01-019-2999, 4730-01-165-0753, 4730-01-165-0754 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5818-4IN?

Key specifications for 5818-4IN: Specification/standard Data: 81346-ASTM D2661 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Nominal Pipe Size for Which Designed: 4.000 INCHES IN; Thread Direction: RIGHT-HAND EXTERNAL; Drive End Style: RAISED SQUARE. 13 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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