PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10815Valve,wing

Rps-Fl, Inc. Dba Rps Inc · NSN 4320-00-959-8850 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-959-8850 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-959-8850. Primary manufacturer part number: 10815.
Features
  • Valve,wing — FSC 4320
  • 8 verified cross-references
  • Primary manufacturer: Rps-Fl, Inc. Dba Rps Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,wing, cataloged under National Stock Number 4320-00-959-8850, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rps-Fl, Inc. Dba Rps Inc. This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,wing
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersRps-Fl, Inc. Dba Rps Inc (CAGE 54402); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9)
Technical Specifications
ParameterValue
NSN4320-00-959-8850
Primary Part Number10815
Item NameValve,wing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5930-00-020-003510815 INTERCHANGEABLE
Switch
Custom Metering Company Inc
5136-00-189-7819 INTERCHANGEABLE
Tap,thread Cutting
4510-00-372-0774 INTERCHANGEABLE
Plunger,faucet
4820-00-406-1692 INTERCHANGEABLE
Seat,valve
1560-00-772-327110815 INTERCHANGEABLE
Bracket Assembly,co
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
6210-01-389-022232251-7 INTERCHANGEABLE
Mechanism Assembly,warning Light
Grimes Aerospace Company
6640-01-571-8979CYTOSPIN 4 INTERCHANGEABLE
Cytocentrifuge
Thermo Shandon Inc Dba Shandon Inc Div Anatomical Pathology
5315-01-716-082110815 INTERCHANGEABLE
Pin,cotter
Hope Haven Incorporated
Cross-Reference Index
Part NumberManufacturer
10815 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
20003P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SK122517 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
322517 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SK122517 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
20003P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
322517-02 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
322517-02 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5930-00-020-0035INTERCHANGEABLE
SWITCH
10815
5136-00-189-7819INTERCHANGEABLE
TAP,THREAD CUTTING
4510-00-372-0774INTERCHANGEABLE
PLUNGER,FAUCET
4820-00-406-1692INTERCHANGEABLE
SEAT,VALVE
1560-00-772-3271INTERCHANGEABLE
BRACKET ASSEMBLY,CO
10815
6210-01-389-0222INTERCHANGEABLE
MECHANISM ASSEMBLY,WARNING LIGHT
32251-7
6640-01-571-8979INTERCHANGEABLE
CYTOCENTRIFUGE
CYTOSPIN 4
5315-01-716-0821INTERCHANGEABLE
PIN,COTTER
10815

Frequently Asked Questions

What is NSN 4320-00-959-8850?

NSN 4320-00-959-8850 is a Valve,wing, manufactured by Rps-Fl, Inc. Dba Rps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-959-8850?

NSN 4320-00-959-8850 has 8 cross-referenced part numbers: 10815 (Rps-Fl, Inc. Dba Rps Inc), 20003P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SK122517 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 322517 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SK122517 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 3 more.

What NSN replaces 4320-00-959-8850?

There are 8 known substitutes for 4320-00-959-8850: 5930-00-020-0035, 5136-00-189-7819, 4510-00-372-0774 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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