PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

179Reducer,pipe

Stockham Valves and Fittings Inc · NSN 4730-00-277-5536 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-5536 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-5536. Primary manufacturer part number: 179.
Features
  • Reducer,pipe — FSC 4730
  • Nominal Thread Size: 1.500 INCHES SECOND END IN
  • Thread Series Designator: NPT FIRST END
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Nominal Thread Size: 3.000 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 4730-00-277-5536, 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 Stockham Valves and Fittings Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-00-277-5536
Primary Part Number179
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStockham Valves and Fittings Inc
StatusACTIVE
Nominal Thread Size1.500 INCHES SECOND END IN
Thread Series DesignatorNPT FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) SECOND END
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Nominal Thread Size3.000 INCHES FIRST END IN
MaterialIRON OVERALL
Operating Pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length3.500 INCHES IN
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Material Document and ClassificationASTM A126,CL A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std Data1 TYPE OR A CLASS
Thread Series DesignatorNPT SECOND END
Reducer TypeECCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2640-00-052-0855 INTERCHANGEABLE
Valve,pneumatic Tire
6150-00-132-0489179 INTERCHANGEABLE
Lead,storage Battery
Elliott Machine Works Inc
5120-00-179-34847008938-00 INTERCHANGEABLE
Key,socket Head Screw
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5210-00-229-305479A-6 INTERCHANGEABLE
Caliper,outside Thread
L.s. Starrett Company (the) Div Tool Division
5210-00-229-3056179-4 INTERCHANGEABLE
Caliper,outside Thread
L.s. Starrett Company (the) Div Tool Division
5120-00-230-7887 INTERCHANGEABLE
Adjuster,spring,communications E
5365-00-241-9991179 INTERCHANGEABLE
Bushing
Stothert & Pitt
5945-00-543-8702AE140-006-99 INTERCHANGEABLE
Chopper,electronic
Dare Electronics, Inc.
5325-00-720-8064 INTERCHANGEABLE
Ring,retaining
7710-00-913-7388H279 INTERCHANGEABLE
French Horn
Washington Music Sales Center Inc Dba Washington Music Center
Cross-Reference Index
Part NumberManufacturer
179 PRIMARY Stockham Valves and Fittings Inc (USA)
Related Parts
2640-00-052-0855INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
6150-00-132-0489INTERCHANGEABLE
LEAD,STORAGE BATTERY
179
5120-00-179-3484INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
7008938-00
5210-00-229-3054INTERCHANGEABLE
CALIPER,OUTSIDE THREAD
79A-6
5210-00-229-3056INTERCHANGEABLE
CALIPER,OUTSIDE THREAD
179-4
5120-00-230-7887INTERCHANGEABLE
ADJUSTER,SPRING,COMMUNICATIONS E
5365-00-241-9991INTERCHANGEABLE
BUSHING
179
5945-00-543-8702INTERCHANGEABLE
CHOPPER,ELECTRONIC
AE140-006-99
5325-00-720-8064INTERCHANGEABLE
RING,RETAINING
7710-00-913-7388INTERCHANGEABLE
FRENCH HORN
H279
6625-01-075-5564INTERCHANGEABLE
MULTIMETER
3110-01-246-2469INTERCHANGEABLE
BALL,BEARING

Frequently Asked Questions

What is NSN 4730-00-277-5536?

NSN 4730-00-277-5536 is a Reducer,pipe, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-277-5536?

NSN 4730-00-277-5536 has 1 cross-referenced part number: 179 (Stockham Valves and Fittings Inc).

What NSN replaces 4730-00-277-5536?

There are 12 known substitutes for 4730-00-277-5536: 2640-00-052-0855, 6150-00-132-0489, 5120-00-179-3484 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 179?

Key specifications for 179: Nominal Thread Size: 1.500 INCHES SECOND END IN; Thread Series Designator: NPT FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 15 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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