PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-1385714-3XAFValve,gate

Naval Ship Systems Command · NSN 4820-00-184-9107 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-184-9107 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-184-9107. Primary manufacturer part number: 803-1385714-3XAF.
Features
  • Valve,gate — FSC 4820
  • Inlet Relationship with Outlet: IDENTICAL
  • Material: COPPER ALLOY BODY
  • Stem Type: RISING
  • Connection Type: THREADED EXTERNAL TUBE
  • Inlet Relationship with Outlet: IDENTICAL
  • Valve Size: 0.500 INCHES IN
  • Nominal Thread Size: 0.938 INCHES IN
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 4820-00-184-9107, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, 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
NSN4820-00-184-9107
Primary Part Number803-1385714-3XAF
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Inlet Relationship with OutletIDENTICAL
MaterialCOPPER ALLOY BODY
Stem TypeRISING
Connection TypeTHREADED EXTERNAL TUBE
Inlet Relationship with OutletIDENTICAL
Valve Size0.500 INCHES IN
Nominal Thread Size0.938 INCHES IN
Nominal Thread Size0.938 INCHES IN
Thread Quantity Per Inch24
Thread Class3A A
Valve Size0.500 INCHES IN
Bonnet Attachment MethodTHREADED
Valve Operation MethodMANUAL
MaterialNICKEL ALLOY 400 OR NICKEL ALLOY DISK
Thread Quantity Per Inch24
Thread Series DesignatorUNS
Thread Series DesignatorUNS
MaterialNICKEL ALLOY OR NICKEL ALLOY 400 SEAT
MaterialNICKEL ALLOY 400 OR NICKEL ALLOY DISK
Bonnet TypeINSIDE SCREW
MaterialNICKEL ALLOY K-500 STEM
Stem TypeRISING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-432-7195803-1385714-52AF NON-MAG INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-432-9581803-1385714-3XAF NON-MAG INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-432-9582803-1385714-4XAF NON-MAG INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-432-9583803-1385714-6XAF NON MAG INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-432-9584803-1385714-7XAF NON-MAG INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-432-9585803-1385714-8XAF NON-MAG INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-432-9586 INTERCHANGEABLE
Valve,gate
4820-00-448-4488 INTERCHANGEABLE
Valve,gate
4820-00-483-0675803-1385714-2XAF INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
4820-00-483-0676803-1385714-6XAF INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
2102-54-552AND5 Lunkenheimer Co (USA)
C-35650-M .50IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
810-1385714 Naval Sea Systems Command (USA)
4-23125-17 Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)
3255628-2 Naval Sea Systems Command (USA)
803-1385714-3 Naval Ship Systems Command (USA)
803-1385714-3XAF PRIMARY Naval Ship Systems Command (USA)
803-1385714-32 Naval Ship Systems Command (USA)
4820PL1341186 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2184-0.50IPS Oic Valve Corp (USA)
803-1385714-3 Electro Mech Co (USA)
803-1385714-3RE Naval Inventory Control Point Mechanicsburg (USA)
4WS The Walworth Company (USA)
Related Parts
4820-00-432-7195INTERCHANGEABLE
VALVE,GATE
803-1385714-52AF NON-MAG
4820-00-432-9581INTERCHANGEABLE
VALVE,GATE
803-1385714-3XAF NON-MAG
4820-00-432-9582INTERCHANGEABLE
VALVE,GATE
803-1385714-4XAF NON-MAG
4820-00-432-9583INTERCHANGEABLE
VALVE,GATE
803-1385714-6XAF NON MAG
4820-00-432-9584INTERCHANGEABLE
VALVE,GATE
803-1385714-7XAF NON-MAG
4820-00-432-9585INTERCHANGEABLE
VALVE,GATE
803-1385714-8XAF NON-MAG
4820-00-432-9586INTERCHANGEABLE
VALVE,GATE
4820-00-448-4488INTERCHANGEABLE
VALVE,GATE
4820-00-483-0675INTERCHANGEABLE
VALVE,GATE
803-1385714-2XAF
4820-00-483-0676INTERCHANGEABLE
VALVE,GATE
803-1385714-6XAF
4820-00-483-0677INTERCHANGEABLE
VALVE,GATE
803-1385714-8XAF
4820-00-495-6213INTERCHANGEABLE
VALVE,GATE
803-1385714-1XAF

Frequently Asked Questions

What is NSN 4820-00-184-9107?

NSN 4820-00-184-9107 is a Valve,gate, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-184-9107?

NSN 4820-00-184-9107 has 13 cross-referenced part numbers: 2102-54-552AND5 (Lunkenheimer Co), C-35650-M .50IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 810-1385714 (Naval Sea Systems Command), 4-23125-17 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine), 3255628-2 (Naval Sea Systems Command) and 8 more.

What NSN replaces 4820-00-184-9107?

There are 12 known substitutes for 4820-00-184-9107: 4820-00-432-7195, 4820-00-432-9581, 4820-00-432-9582 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-1385714-3XAF?

Key specifications for 803-1385714-3XAF: Special Features: EACH VALVE SHALL HAVE THREE BUNA-N RINGS PACKED IN A BAG AND SECURELY ATTACHED WITH INSTRUCTIONS. O RINGS FOR OIL SERVICE ONLY; Inlet Relationship with Outlet: IDENTICAL; Material: COPPER ALLOY BODY; Stem Type: RISING. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-184-9107 still in active supply?

NSN 4820-00-184-9107 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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