PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10528Piston,valve

Rps-Fl, Inc. Dba Rps Inc · NSN 4820-00-177-8575 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-177-8575 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-177-8575. Primary manufacturer part number: 10528.
Features
  • Piston,valve — FSC 4820
  • 3 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 Piston,valve, cataloged under National Stock Number 4820-00-177-8575, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rps-Fl, Inc. Dba Rps Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
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
NSN4820-00-177-8575
Primary Part Number10528
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-017-470110528 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Astronautics Corporation of America
5945-00-179-828110528 INTERCHANGEABLE
Relay,electromagnetic
Eldec Aerospace Corp
5315-00-276-434610199 INTERCHANGEABLE
Pin,straight,headed
Garwood/feller Inc Garwood Winch Div
5965-01-026-862410504A INTERCHANGEABLE
Microphone,dynamic
Astrocom Electronics Inc
5180-01-052-6303105-28 INTERCHANGEABLE
Tool Kit,fastener Removal
Huck International, Inc. Div Kingston Operations
1440-01-158-2560 INTERCHANGEABLE
Feet,mounting
3460-01-203-275810528 INTERCHANGEABLE
Pilot
Hougen Manufacturing, Inc
6240-01-344-9949F48T12/WW/WM INTERCHANGEABLE
Lamp,fluorescent
General Electric Company Dba Ge
1010-01-532-057110528 INTERCHANGEABLE
Stop,cartridge
General Dynamics - Ots, Inc.
6210-01-693-0917EFO-X022-344.2-10 INTERCHANGEABLE
Fixture,lighting
Energy Focus, Inc. Div Mmm
Cross-Reference Index
Part NumberManufacturer
10528 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
3058P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
3058P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5905-00-017-4701INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
10528
5945-00-179-8281INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10528
5315-00-276-4346INTERCHANGEABLE
PIN,STRAIGHT,HEADED
10199
5965-01-026-8624INTERCHANGEABLE
MICROPHONE,DYNAMIC
10504A
5180-01-052-6303INTERCHANGEABLE
TOOL KIT,FASTENER REMOVAL
105-28
1440-01-158-2560INTERCHANGEABLE
FEET,MOUNTING
3460-01-203-2758INTERCHANGEABLE
PILOT
10528
6240-01-344-9949INTERCHANGEABLE
LAMP,FLUORESCENT
F48T12/WW/WM
1010-01-532-0571INTERCHANGEABLE
STOP,CARTRIDGE
10528
6210-01-693-0917INTERCHANGEABLE
FIXTURE,LIGHTING
EFO-X022-344.2-10

Frequently Asked Questions

What is NSN 4820-00-177-8575?

NSN 4820-00-177-8575 is a Piston,valve, manufactured by Rps-Fl, Inc. Dba Rps Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-177-8575?

NSN 4820-00-177-8575 has 3 cross-referenced part numbers: 10528 (Rps-Fl, Inc. Dba Rps Inc), 3058P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 3058P (Curtiss-Wright Electro-Mechanical Corporation Div Epd).

What NSN replaces 4820-00-177-8575?

There are 10 known substitutes for 4820-00-177-8575: 5905-00-017-4701, 5945-00-179-8281, 5315-00-276-4346 and 7 more. Verify interchangeability with system specifications before substitution.

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