PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XS-1Valve,angle

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4820-01-184-9365 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-184-9365 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-184-9365. Primary manufacturer part number: XS-1.
Features
  • Valve,angle — FSC 4820
  • Material: COPPER ALLOY STEM
  • Valve Operation Method: MANUAL
  • Flow Control Device: STEM
  • Style Designator: ANGLE
  • Material: COPPER ALLOY BODY
  • Bonnet Type: INSIDE SCREW
  • Bonnet Attachment Method: THREADED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Stem construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-184-9365, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-184-9365
Primary Part NumberXS-1
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialCOPPER ALLOY STEM
Valve Operation MethodMANUAL
Flow Control DeviceSTEM
Style DesignatorANGLE
MaterialCOPPER ALLOY BODY
Bonnet TypeINSIDE SCREW
Bonnet Attachment MethodTHREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4320-01-083-5716UX-12 INTERCHANGEABLE
Piston,pump
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-083-7353UU-44 INTERCHANGEABLE
Steam Cylinder,pump,reciprocatin
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-083-8104L-2250 INTERCHANGEABLE
Tappet,pump
Rps-Fl, Inc. Dba Rps Inc
4320-01-083-8106C-1063 INTERCHANGEABLE
Crosshead Assembly,pump
Camar Corp.
4310-01-184-4258UJ1 INTERCHANGEABLE
Ring,piston
Circor Naval Solutions Llc Dba Warren Pumps
4820-01-184-9808BS8-2326-138A INTERCHANGEABLE
Cap,valve
Euramco Safety Inc
4610-01-523-3468EV939000 INTERCHANGEABLE
Filter,water Purification
Pentair Filtration Inc Dba Ever Pure
Cross-Reference Index
Part NumberManufacturer
BS5-2349A4 PIECE 179 Circor Naval Solutions Llc Dba Warren Pumps (USA)
XS-1 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-2349 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4320-01-083-5716INTERCHANGEABLE
PISTON,PUMP
UX-12
4320-01-083-7353INTERCHANGEABLE
STEAM CYLINDER,PUMP,RECIPROCATIN
UU-44
4320-01-083-8104INTERCHANGEABLE
TAPPET,PUMP
L-2250
4320-01-083-8106INTERCHANGEABLE
CROSSHEAD ASSEMBLY,PUMP
C-1063
4310-01-184-4258INTERCHANGEABLE
RING,PISTON
UJ1
4820-01-184-9808INTERCHANGEABLE
CAP,VALVE
BS8-2326-138A
4610-01-523-3468INTERCHANGEABLE
FILTER,WATER PURIFICATION
EV939000

Frequently Asked Questions

What is NSN 4820-01-184-9365?

NSN 4820-01-184-9365 is a Valve,angle, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-184-9365?

NSN 4820-01-184-9365 has 3 cross-referenced part numbers: BS5-2349A4 PIECE 179 (Circor Naval Solutions Llc Dba Warren Pumps), XS-1 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-2349 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4820-01-184-9365?

There are 7 known substitutes for 4820-01-184-9365: 4320-01-083-5716, 4320-01-083-7353, 4320-01-083-8104 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of XS-1?

Key specifications for XS-1: Material: COPPER ALLOY STEM; Valve Operation Method: MANUAL; Flow Control Device: STEM; Style Designator: ANGLE. 7 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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