PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22238Valve,safety Relief

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 4820-00-432-1232 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-432-1232 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-432-1232. Primary manufacturer part number: 22238.
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: DISK
  • Valve Operation Method: AUTOMATIC
  • Material: STEEL BODY
  • 2 verified cross-references
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-432-1232, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-432-1232
Primary Part Number22238
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusCANCELLED
Flow Control DeviceDISK
Valve Operation MethodAUTOMATIC
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-155-9069 INTERCHANGEABLE
Bearing,roller,self-Aligning
5310-00-262-448322238 INTERCHANGEABLE
Washer,flat
Briggs and Stratton Corp
2805-00-275-305522238 INTERCHANGEABLE
Pin,piston
Brinkley Technology Group Llc Dba Hercules Manufacturing
4730-00-277-5297 INTERCHANGEABLE
Reducer,hose
4730-00-516-3290151138ALT11PC0 INTERCHANGEABLE
Elbow,hose
Naval Sea Systems Command
6105-00-643-076018547 INTERCHANGEABLE
Motor,direct Current
Way Wolff Associates Inc
6145-00-726-7254 INTERCHANGEABLE
Wire,electrical
4820-00-776-8151HG273D INTERCHANGEABLE
Seat,valve
Wisconsin Motors, Llc
5950-00-883-9328 INTERCHANGEABLE
Coil,radio Frequency
4130-01-459-2374800-48TP120V INTERCHANGEABLE
Vacu-Disc
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
22238 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
18547 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
3110-00-155-9069INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
5310-00-262-4483INTERCHANGEABLE
WASHER,FLAT
22238
2805-00-275-3055INTERCHANGEABLE
PIN,PISTON
22238
4730-00-277-5297INTERCHANGEABLE
REDUCER,HOSE
4730-00-516-3290INTERCHANGEABLE
ELBOW,HOSE
151138ALT11PC0
6105-00-643-0760INTERCHANGEABLE
MOTOR,DIRECT CURRENT
18547
6145-00-726-7254INTERCHANGEABLE
WIRE,ELECTRICAL
4820-00-776-8151INTERCHANGEABLE
SEAT,VALVE
HG273D
5950-00-883-9328INTERCHANGEABLE
COIL,RADIO FREQUENCY
4130-01-459-2374INTERCHANGEABLE
VACU-DISC
800-48TP120V
2990-01-546-9864INTERCHANGEABLE
RADIATOR
22238

Frequently Asked Questions

What is NSN 4820-00-432-1232?

NSN 4820-00-432-1232 is a Valve,safety Relief, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-432-1232?

NSN 4820-00-432-1232 has 2 cross-referenced part numbers: 22238 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 18547 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 4820-00-432-1232?

There are 11 known substitutes for 4820-00-432-1232: 3110-00-155-9069, 5310-00-262-4483, 2805-00-275-3055 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22238?

Key specifications for 22238: Flow Control Device: DISK; Valve Operation Method: AUTOMATIC; Special Features: CARTRIDGE,RELIEF VALVE; Material: STEEL BODY. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-432-1232 still in active supply?

NSN 4820-00-432-1232 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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