PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7995-15Stem,fluid Valve

William E Williams Valve Corp · NSN 4820-01-278-6228 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-278-6228 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-278-6228. Primary manufacturer part number: 7995-15.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Size for Which Designed: 8.000 INCHES IN
  • Material: COPPER ALLOY 464
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material Document and Classification: ASTM B124 ALLOY 464 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Type for Which Designed: GATE
  • Features Provided: RISING STEM
  • 4 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 464 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-278-6228, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references 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
NSN4820-01-278-6228
Primary Part Number7995-15
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Valve Size for Which Designed8.000 INCHES IN
MaterialCOPPER ALLOY 464
Stem Actuating End TypeTHREADED EXTERNALLY
Material Document and ClassificationASTM B124 ALLOY 464 ASSN STD SINGLE MATERIAL RESPONSE
Valve Type for Which DesignedGATE
Features ProvidedRISING STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-201-2755CV799-5 INTERCHANGEABLE
Adapter,connector
Winchester Interconnect Corporation
3120-00-808-2171B32L INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Bearings Incorporated Div West Trenton Division
4820-01-278-62807995-2 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-278-73977995 ITEM 3 8IN INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
4820-01-293-86027995-2 5IN INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-294-17857995-3 5IN INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
4820-01-294-72487995-15 5IN INTERCHANGEABLE
Stem,fluid Valve
William E Williams Valve Corp
4820-01-294-9517B112A2 1/2 INCH INTERCHANGEABLE
Valve,gate
Hunt Valve Company, Inc.
4820-01-294-95187995 ITEM 141F 5IN INTERCHANGEABLE
Valve,gate
William E Williams Valve Corp
4820-01-301-0383141F ITEM 15 6IN INTERCHANGEABLE
Stem,fluid Valve
William E Williams Valve Corp
Cross-Reference Index
Part NumberManufacturer
7995-15 PRIMARY William E Williams Valve Corp (USA)
7995 ITEM 15 8IN William E Williams Valve Corp (USA)
7995-15-8 PRIMARY William E Williams Valve Corp (USA)
7995 William E Williams Valve Corp (USA)
Related Parts
5935-00-201-2755INTERCHANGEABLE
ADAPTER,CONNECTOR
CV799-5
3120-00-808-2171INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
B32L
4820-01-278-6280INTERCHANGEABLE
DISK,VALVE
7995-2
4820-01-278-7397INTERCHANGEABLE
SEAT,VALVE
7995 ITEM 3 8IN
4820-01-293-8602INTERCHANGEABLE
DISK,VALVE
7995-2 5IN
4820-01-294-1785INTERCHANGEABLE
SEAT,VALVE
7995-3 5IN
4820-01-294-7248INTERCHANGEABLE
STEM,FLUID VALVE
7995-15 5IN
4820-01-294-9517INTERCHANGEABLE
VALVE,GATE
B112A2 1/2 INCH
4820-01-294-9518INTERCHANGEABLE
VALVE,GATE
7995 ITEM 141F 5IN
4820-01-301-0383INTERCHANGEABLE
STEM,FLUID VALVE
141F ITEM 15 6IN
5330-01-303-2518INTERCHANGEABLE
SEAL,GATE VALVE
7995-8 6IN
6105-01-369-1635INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 4820-01-278-6228?

NSN 4820-01-278-6228 is a Stem,fluid Valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-278-6228?

NSN 4820-01-278-6228 has 4 cross-referenced part numbers: 7995-15 (William E Williams Valve Corp), 7995 ITEM 15 8IN (William E Williams Valve Corp), 7995-15-8 (William E Williams Valve Corp), 7995 (William E Williams Valve Corp).

What NSN replaces 4820-01-278-6228?

There are 12 known substitutes for 4820-01-278-6228: 5935-00-201-2755, 3120-00-808-2171, 4820-01-278-6280 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7995-15?

Key specifications for 7995-15: Valve Size for Which Designed: 8.000 INCHES IN; Material: COPPER ALLOY 464; Stem Actuating End Type: THREADED EXTERNALLY; Material Document and Classification: ASTM B124 ALLOY 464 ASSN STD SINGLE MATERIAL RESPONSE. 6 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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