PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7715Union,pipe

The Walworth Company · NSN 4730-00-957-2163 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-957-2163 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-957-2163. Primary manufacturer part number: 7715.
Features
  • Union,pipe — FSC 4730
  • Material: IRON OVERALL
  • Surface Treatment: ENAMEL INSIDE
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Thread Series Designator: NPT FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-957-2163, 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 The Walworth Company. Government technical data includes 14 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-957-2163
Primary Part Number7715
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Walworth Company
StatusCANCELLED
MaterialIRON OVERALL
Surface TreatmentENAMEL INSIDE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nominal Thread Size0.500 INCHES FIRST END IN
Media for Which DesignedSTEAM FIRST RESPONSE
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Thread Series DesignatorNPT FIRST END
MaterialCOPPER ALLOY SEAT
Connection StylePLAIN (PIPE) FIRST END
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Connection TypeTHREADED INTERNAL PIPE FIRST END
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Seat TypeGROUND-JOINT
Surface TreatmentENAMEL OUTSIDE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-137-7692ML7715 INTERCHANGEABLE
Electron Tube
Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations
6240-00-152-6112349 INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5310-00-285-1626 INTERCHANGEABLE
Washer,flat
5315-00-291-7658771-5 INTERCHANGEABLE
Pin,straight,headless
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
3120-00-343-25207715 INTERCHANGEABLE
Bearing,sleeve
Cooper Machinery Services Llc
5962-00-482-9758536901-2 INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon
5950-00-518-2052 INTERCHANGEABLE
Reactor
5935-00-702-4199 INTERCHANGEABLE
Jack,tip
5945-00-895-97396957ED25-1E INTERCHANGEABLE
Relay,electromagnetic
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
3030-01-101-86777715 INTERCHANGEABLE
Belt,v
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
7715 The Walworth Company (USA)
Related Parts
5960-00-137-7692INTERCHANGEABLE
ELECTRON TUBE
ML7715
6240-00-152-6112INTERCHANGEABLE
LAMP,INCANDESCENT
349
5310-00-285-1626INTERCHANGEABLE
WASHER,FLAT
5315-00-291-7658INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
771-5
3120-00-343-2520INTERCHANGEABLE
BEARING,SLEEVE
7715
5962-00-482-9758INTERCHANGEABLE
MICROCIRCUIT,LINEAR
536901-2
5950-00-518-2052INTERCHANGEABLE
REACTOR
5935-00-702-4199INTERCHANGEABLE
JACK,TIP
5945-00-895-9739INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6957ED25-1E
3030-01-101-8677INTERCHANGEABLE
BELT,V
7715
5930-01-128-0755INTERCHANGEABLE
SWITCH
7715
6240-01-228-8731INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 4730-00-957-2163?

NSN 4730-00-957-2163 is a Union,pipe, manufactured by The Walworth Company, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-957-2163?

NSN 4730-00-957-2163 has 1 cross-referenced part number: 7715 (The Walworth Company).

What NSN replaces 4730-00-957-2163?

There are 12 known substitutes for 4730-00-957-2163: 5960-00-137-7692, 6240-00-152-6112, 5310-00-285-1626 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7715?

Key specifications for 7715: Material: IRON OVERALL; Surface Treatment: ENAMEL INSIDE; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Nominal Thread Size: 0.500 INCHES FIRST END IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-957-2163 still in active supply?

NSN 4730-00-957-2163 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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