PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-4CP2-DG-10Valve,check

Nupro Co · NSN 4820-01-482-4646 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-482-4646 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-482-4646. Primary manufacturer part number: SS-4CP2-DG-10.
Features
  • Valve,check — FSC 4820
  • Minimum Operating Temp: -10.0 FAHRENHEIT DEGF
  • Style Designator: STRAIGHT THRU
  • Disk Loading Method: SPRING
  • Maximum Operating Temp: 375.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material: STEEL COMP 316 FLOW CONTROL DEVICE
  • Valve Operation Method: AUTOMATIC
  • Connection Style: PLAIN (PIPE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-482-4646, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Nupro Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-482-4646
Primary Part NumberSS-4CP2-DG-10
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNupro Co
StatusACTIVE
Minimum Operating Temp-10.0 FAHRENHEIT DEGF
Style DesignatorSTRAIGHT THRU
Disk Loading MethodSPRING
Maximum Operating Temp375.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialSTEEL COMP 316 FLOW CONTROL DEVICE
Valve Operation MethodAUTOMATIC
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Thread Size0.250 INCHES ALL ENDS IN
Flow Control DevicePOPPET
MaterialSTEEL COMP 316 BODY
Thread Series DesignatorNPT ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Furnished Items and Quantity1 DEFLECTOR CAP
Mounting PositionHORIZONTAL OR VERTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-004-7922SS-4CP2-DG-10 INTERCHANGEABLE
Valve,check
Swagelok Co
Cross-Reference Index
Part NumberManufacturer
SS-4CP2-DG-10 Nupro Co (USA)
Related Parts
4820-01-004-7922INTERCHANGEABLE
VALVE,CHECK
SS-4CP2-DG-10

Frequently Asked Questions

What is NSN 4820-01-482-4646?

NSN 4820-01-482-4646 is a Valve,check, manufactured by Nupro Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-482-4646?

NSN 4820-01-482-4646 has 1 cross-referenced part number: SS-4CP2-DG-10 (Nupro Co).

What NSN replaces 4820-01-482-4646?

There is 1 known substitute for 4820-01-482-4646: 4820-01-004-7922. Verify interchangeability with system specifications before substitution.

What are the specifications of SS-4CP2-DG-10?

Key specifications for SS-4CP2-DG-10: Minimum Operating Temp: -10.0 FAHRENHEIT DEGF; Style Designator: STRAIGHT THRU; Disk Loading Method: SPRING; Maximum Operating Temp: 375.0 FAHRENHEIT SINGLE RESPONSE DEGF. 17 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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