PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P55025Valve,check

Bosch Rexroth Corporation Div Bosch Rexroth · NSN 4820-00-765-7994 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-765-7994 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-765-7994. Primary manufacturer part number: P55025.
Features
  • Valve,check — FSC 4820
  • Mounting Position: HORIZONTAL
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Material: ALUMINUM ALLOY BODY
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-765-7994, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bosch Rexroth Corporation Div Bosch Rexroth. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-765-7994
Primary Part NumberP55025
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBosch Rexroth Corporation Div Bosch Rexroth
StatusACTIVE
Mounting PositionHORIZONTAL
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread Series DesignatorNPT ALL ENDS
MaterialALUMINUM ALLOY BODY
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Surface TreatmentANODIZE
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.375 INCHES ALL ENDS IN
MaterialSTEEL FLOW CONTROL DEVICE
Valve Operation MethodAUTOMATIC
Flow Control DeviceDISK
Disk Loading MethodSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3120-00-083-83675502-5 INTERCHANGEABLE
Bushing,sleeve
Goodrich Aerospace Canada Ltd
4730-00-266-0538SAE J513 6-4 010102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5975-00-280-9221 INTERCHANGEABLE
Elbow,electrical Conduit
5935-00-501-8025UG-999A/U INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
5330-00-641-31221B4868 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5620-00-982-8182 INTERCHANGEABLE
Glass,sheet
5360-00-998-488155025 INTERCHANGEABLE
Spring,helical,compression
Avox Systems Inc Dba Avox Systems Inc
5133-01-068-4027 INTERCHANGEABLE
Drill,twist
4210-01-149-100355025 INTERCHANGEABLE
Time Delay,fire Ext
Tyco Fire Products Lp
5315-01-205-298755025 INTERCHANGEABLE
Key,machine
Mather Evans and Diehl Co Inc
Cross-Reference Index
Part NumberManufacturer
P55025 Bosch Rexroth Corporation Div Bosch Rexroth (USA)
55025 Bosch Rexroth Corporation Div Bosch Rexroth (USA)
Related Parts
3120-00-083-8367INTERCHANGEABLE
BUSHING,SLEEVE
5502-5
4730-00-266-0538INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 6-4 010102BA
5975-00-280-9221INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
5935-00-501-8025INTERCHANGEABLE
ADAPTER,CONNECTOR
UG-999A/U
5330-00-641-3122INTERCHANGEABLE
SEAL,PLAIN ENCASED
1B4868
5620-00-982-8182INTERCHANGEABLE
GLASS,SHEET
5360-00-998-4881INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
55025
5133-01-068-4027INTERCHANGEABLE
DRILL,TWIST
4210-01-149-1003INTERCHANGEABLE
TIME DELAY,FIRE EXT
55025
5315-01-205-2987INTERCHANGEABLE
KEY,MACHINE
55025
5330-01-537-6646INTERCHANGEABLE
GASKET
55025

Frequently Asked Questions

What is NSN 4820-00-765-7994?

NSN 4820-00-765-7994 is a Valve,check, manufactured by Bosch Rexroth Corporation Div Bosch Rexroth, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-765-7994?

NSN 4820-00-765-7994 has 2 cross-referenced part numbers: P55025 (Bosch Rexroth Corporation Div Bosch Rexroth), 55025 (Bosch Rexroth Corporation Div Bosch Rexroth).

What NSN replaces 4820-00-765-7994?

There are 11 known substitutes for 4820-00-765-7994: 3120-00-083-8367, 4730-00-266-0538, 5975-00-280-9221 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P55025?

Key specifications for P55025: Mounting Position: HORIZONTAL; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Thread Direction: RIGHT-HAND ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 14 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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