NSN 4820-01-423-5109 · NIIN 014235109 · Part number 236689
Allied Systems Company Dba Allied Systems Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 60848
Government record, cited
NSN 4820-01-423-5109 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-5109. Manufacturer of record part number: 236689.
Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
1 manufacturer part number on file
Manufacturer of record: Allied Systems Company Dba Allied Systems Co
Identification
NSN: 4820-01-423-5109
NIIN: 014235109
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 236689
Manufacturer: Allied Systems Company Dba Allied Systems Co
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-423-5109, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-423-5109
Primary Part Number
236689
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Allied Systems Company Dba Allied Systems Co
Status
ACTIVE
Operating Pressure
5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Allied Systems Company Dba Allied Systems Co (USA)
Reference documents
Reference
Meaning
RV2-10-S-6T-50
3/9Design control — primary reference
Modular Controls Corp
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-423-5109?
NSN 4820-01-423-5109 is a Valve,safety Relief, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-423-5109?
NSN 4820-01-423-5109 has 1 manufacturer part number on file: 236689 (Allied Systems Company Dba Allied Systems Co).
What are the specifications of 236689?
Key specifications for 236689: Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: VALVE SIZE 3/8 IN.;20 GAL PPOPPET TYPE; PILOT OPERATED IN; End Item Identification: TICONDEROGA CLASS CG (47). 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-423-5109 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.