PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4627K192Reducer,pipe

Mcmaster-Carr Supply Co · NSN 4730-00-894-2551 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-894-2551 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-894-2551. Primary manufacturer part number: 4627K192.
Features
  • Reducer,pipe — FSC 4730
  • Nominal Overall Length: 2.688 INCHES IN
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Operating Pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Nominal Thread Size: 1.500 INCHES FIRST END IN
  • Nominal Pipe Size Accommodated: 1.500 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-00-894-2551, 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 Mcmaster-Carr Supply Co. Government technical data includes 18 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-894-2551
Primary Part Number4627K192
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusCANCELLED
Nominal Overall Length2.688 INCHES IN
Media for Which DesignedSTEAM FIRST RESPONSE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Connection TypeTHREADED INTERNAL PIPE FIRST END
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Nominal Thread Size1.500 INCHES FIRST END IN
Nominal Pipe Size Accommodated1.500 INCHES FIRST END IN
Reducer TypeCONCENTRIC
Connection StylePLAIN (PIPE) SECOND END
Nominal Pipe Size Accommodated0.750 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.750 INCHES SECOND END IN
Connection StylePLAIN (PIPE) FIRST END
MaterialIRON OVERALL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Thread Series DesignatorNPT FIRST END
Thread Series DesignatorNPT SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5975-00-188-1158404 INTERCHANGEABLE
Cover,junction Box
Ni Industries Inc Bowers Mfg Co Div
5950-00-226-4637 INTERCHANGEABLE
Coil,radio Frequency
6760-00-411-1435 INTERCHANGEABLE
Filter,light,photographic Lens
5330-00-564-0229778 INTERCHANGEABLE
Felt,mechanical,preformed
Aerospace Lighting Corporation
6150-00-834-6804778 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden, Inc.
5340-00-952-9854778 INTERCHANGEABLE
Clamp,loop
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4730-00-961-7361 INTERCHANGEABLE
Coupling Half,quick Disconnect
5310-01-053-08707-78 INTERCHANGEABLE
Nut,special
Seats Inc Div Seats Incorporated
3110-01-291-5157778 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6695-01-328-659077-8 INTERCHANGEABLE
Transducer,motional Pickup
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Cross-Reference Index
Part NumberManufacturer
878-1-1/2X3/4 Stockham Valves and Fittings Inc (USA)
778-1 1/2X3/4 Stockham Valves and Fittings Inc (USA)
4627K192 PRIMARY Mcmaster-Carr Supply Co (USA)
778 Stockham Valves and Fittings Inc (USA)
Related Parts
5975-00-188-1158INTERCHANGEABLE
COVER,JUNCTION BOX
404
5950-00-226-4637INTERCHANGEABLE
COIL,RADIO FREQUENCY
6760-00-411-1435INTERCHANGEABLE
FILTER,LIGHT,PHOTOGRAPHIC LENS
5330-00-564-0229INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
778
6150-00-834-6804INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
778
5340-00-952-9854INTERCHANGEABLE
CLAMP,LOOP
778
4730-00-961-7361INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5310-01-053-0870INTERCHANGEABLE
NUT,SPECIAL
7-78
3110-01-291-5157INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
778
6695-01-328-6590INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
77-8
7530-01-711-7721INTERCHANGEABLE
PAD,ALL WEATHER NOTEBOOK
778

Frequently Asked Questions

What is NSN 4730-00-894-2551?

NSN 4730-00-894-2551 is a Reducer,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-894-2551?

NSN 4730-00-894-2551 has 4 cross-referenced part numbers: 878-1-1/2X3/4 (Stockham Valves and Fittings Inc), 778-1 1/2X3/4 (Stockham Valves and Fittings Inc), 4627K192 (Mcmaster-Carr Supply Co), 778 (Stockham Valves and Fittings Inc).

What NSN replaces 4730-00-894-2551?

There are 11 known substitutes for 4730-00-894-2551: 5975-00-188-1158, 5950-00-226-4637, 6760-00-411-1435 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4627K192?

Key specifications for 4627K192: Nominal Overall Length: 2.688 INCHES IN; Media for Which Designed: STEAM FIRST RESPONSE; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Connection Type: THREADED INTERNAL PIPE FIRST END. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-894-2551 still in active supply?

NSN 4730-00-894-2551 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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