PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20382Valve,safety Relief

Jacobs Mfg Co the · NSN 4820-01-319-3446 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-319-3446 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-319-3446. Primary manufacturer part number: 20382.
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: SCREW-IN CARTRIDGE
  • 2 verified cross-references
  • Primary manufacturer: Jacobs Mfg Co the
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-319-3446, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Jacobs Mfg Co the. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-319-3446
Primary Part Number20382
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerJacobs Mfg Co the
StatusACTIVE
Style DesignatorSCREW-IN CARTRIDGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-805-600212Z64PC27 INTERCHANGEABLE
Ring,retaining
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-334-685320382 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
Cross-Reference Index
Part NumberManufacturer
20382 PRIMARY Jacobs Mfg Co the (USA)
015931 Jacobs Mfg Co the (USA)
Related Parts
5325-00-805-6002INTERCHANGEABLE
RING,RETAINING
12Z64PC27
5950-01-334-6853INTERCHANGEABLE
REACTOR
20382

Frequently Asked Questions

What is NSN 4820-01-319-3446?

NSN 4820-01-319-3446 is a Valve,safety Relief, manufactured by Jacobs Mfg Co the, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-319-3446?

NSN 4820-01-319-3446 has 2 cross-referenced part numbers: 20382 (Jacobs Mfg Co the), 015931 (Jacobs Mfg Co the).

What NSN replaces 4820-01-319-3446?

There are 2 known substitutes for 4820-01-319-3446: 5325-00-805-6002, 5950-01-334-6853. Verify interchangeability with system specifications before substitution.

What are the specifications of 20382?

Key specifications for 20382: Style Designator: SCREW-IN CARTRIDGE; Special Features: CARTRIDGE TYPE. 2 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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