PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4518-1 1/4X1Reducer,pipe

Nibco Inc Chemtrol Div · NSN 4730-00-456-1080 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-456-1080 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-456-1080. Primary manufacturer part number: 4518-1 1/4X1.
Features
  • Reducer,pipe — FSC 4730
  • Connection Style: SOCKET (PIPE) ALL ENDSSOCKET (PIPE) ALL ENDS
  • Maximum Operating Temp: 65.6 CELSIUS SINGLE RESPONSE65.6 CELSIUS SINGLE RESPONSE DEGC
  • Reducer Type: CONCENTRICCONCENTRIC
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDSUNTHREADED INTERNAL PIPE ALL ENDS
  • Operating Pressure: 143.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE143.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Overall Length: 1.406 INCHES1.406 INCHES IN
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 80 SECOND ENDSCHEDULE 80 SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overallplastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-00-456-1080, 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 Chemtrol Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-456-1080
Primary Part Number4518-1 1/4X1
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNibco Inc Chemtrol Div
StatusACTIVE
Connection StyleSOCKET (PIPE) ALL ENDSSOCKET (PIPE) ALL ENDS
Maximum Operating Temp65.6 CELSIUS SINGLE RESPONSE65.6 CELSIUS SINGLE RESPONSE DEGC
Reducer TypeCONCENTRICCONCENTRIC
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDSUNTHREADED INTERNAL PIPE ALL ENDS
Operating Pressure143.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE143.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length1.406 INCHES1.406 INCHES IN
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 SECOND ENDSCHEDULE 80 SECOND END
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALLPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 FIRST ENDSCHEDULE 80 FIRST END
Nominal Pipe Size Accommodated1.250 INCHES FIRST END1.250 INCHES FIRST END IN
Nominal Pipe Size Accommodated1.000 INCHES SECOND END1.000 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6240-00-143-3059 INTERCHANGEABLE
Lamp,incandescent
8010-00-530-8371 INTERCHANGEABLE
Sealer,surface
1680-00-858-04224518 INTERCHANGEABLE
Link,seat
B/e Aerospace Inc Dba Interturbine
5935-00-947-8026 INTERCHANGEABLE
Connector,plug,electrical
5930-01-277-20894518 INTERCHANGEABLE
Switch,pressure
Sims Fiberglass Co
5120-01-428-4740 INTERCHANGEABLE
Socket,socket Wrench
6530-01-572-541410-01 INTERCHANGEABLE
Pad,cooling,chemical
Medlogix Inc.
Cross-Reference Index
Part NumberManufacturer
4518-1 1/4X1 PRIMARY Nibco Inc Chemtrol Div (USA)
4518-1 1/4X1 Nibco Inc (USA)
1 1-4X1INS0CWELDREDUCERSCH80PVC Nibco Inc (USA)
4518 Nibco Inc (USA)
Related Parts
6240-00-143-3059INTERCHANGEABLE
LAMP,INCANDESCENT
8010-00-530-8371INTERCHANGEABLE
SEALER,SURFACE
1680-00-858-0422INTERCHANGEABLE
LINK,SEAT
4518
5935-00-947-8026INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5930-01-277-2089INTERCHANGEABLE
SWITCH,PRESSURE
4518
5120-01-428-4740INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6530-01-572-5414INTERCHANGEABLE
PAD,COOLING,CHEMICAL
10-01

Frequently Asked Questions

What is NSN 4730-00-456-1080?

NSN 4730-00-456-1080 is a Reducer,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-456-1080?

NSN 4730-00-456-1080 has 4 cross-referenced part numbers: 4518-1 1/4X1 (Nibco Inc Chemtrol Div), 4518-1 1/4X1 (Nibco Inc), 1 1-4X1INS0CWELDREDUCERSCH80PVC (Nibco Inc), 4518 (Nibco Inc).

What NSN replaces 4730-00-456-1080?

There are 7 known substitutes for 4730-00-456-1080: 6240-00-143-3059, 8010-00-530-8371, 1680-00-858-0422 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4518-1 1/4X1?

Key specifications for 4518-1 1/4X1: Connection Style: SOCKET (PIPE) ALL ENDSSOCKET (PIPE) ALL ENDS; Maximum Operating Temp: 65.6 CELSIUS SINGLE RESPONSE65.6 CELSIUS SINGLE RESPONSE DEGC; Reducer Type: CONCENTRICCONCENTRIC; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDSUNTHREADED INTERNAL PIPE ALL ENDS. 11 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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