PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

721905-15Valve,gate

Raytheon Company Div Rmd Strategic · NSN 4820-00-176-4289 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-176-4289 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-176-4289. Primary manufacturer part number: 721905-15.
Features
  • Valve,gate — FSC 4820
  • Thread Series Designator: NPT
  • Nominal Thread Size: 1.000 INCHES IN
  • Stem Type: NONRISING
  • Inlet Relationship with Outlet: IDENTICAL
  • Thread Series Designator: NPT
  • Inlet Relationship with Outlet: IDENTICAL
  • Bonnet Attachment Method: THREADED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-176-4289, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-176-4289
Primary Part Number721905-15
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRaytheon Company Div Rmd Strategic
StatusACTIVE
Thread Series DesignatorNPT
Nominal Thread Size1.000 INCHES IN
Stem TypeNONRISING
Inlet Relationship with OutletIDENTICAL
Thread Series DesignatorNPT
Inlet Relationship with OutletIDENTICAL
Bonnet Attachment MethodTHREADED
Stem TypeNONRISING
MaterialCOPPER ALLOY BODY
Valve Operation MethodMANUAL
Bonnet TypeINSIDE SCREW
Nominal Thread Size1.000 INCHES IN
MaterialCOPPER ALLOY BODY
Connection TypeTHREADED INTERNAL PIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-143-4307 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
T122-1 Nibco Inc (USA)
721905-6 Raytheon Company Div Rmd Strategic (USA)
721905-15 PRIMARY Raytheon Company Div Rmd Strategic (USA)
T22-1IN Nibco Inc (USA)
Related Parts
4820-01-143-4307INTERCHANGEABLE
VALVE,GATE

Frequently Asked Questions

What is NSN 4820-00-176-4289?

NSN 4820-00-176-4289 is a Valve,gate, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-176-4289?

NSN 4820-00-176-4289 has 4 cross-referenced part numbers: T122-1 (Nibco Inc), 721905-6 (Raytheon Company Div Rmd Strategic), 721905-15 (Raytheon Company Div Rmd Strategic), T22-1IN (Nibco Inc).

What NSN replaces 4820-00-176-4289?

There is 1 known substitute for 4820-00-176-4289: 4820-01-143-4307. Verify interchangeability with system specifications before substitution.

What are the specifications of 721905-15?

Key specifications for 721905-15: Thread Series Designator: NPT; Nominal Thread Size: 1.000 INCHES IN; Stem Type: NONRISING; Inlet Relationship with Outlet: IDENTICAL. 14 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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