PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39163Valve,safety Relief

Allied Systems Company Dba Allied Systems Co · NSN 4820-01-458-0559 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-458-0559 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-458-0559. Primary manufacturer part number: 39163.
Features
  • Valve,safety Relief — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Allied Systems Company Dba Allied Systems Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-458-0559, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Allied Systems Company Dba Allied Systems Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-458-0559
Primary Part Number39163
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-149-542739-163 INTERCHANGEABLE
Connector,receptacle,electrical
Smart Machines, Inc. Dba Barker and Williamson
4730-00-203-0030SAE J514-3 12-12 140239C INTERCHANGEABLE
Elbow,pipe
Sae International Dba Sae International
5325-00-821-287539-163 INTERCHANGEABLE
Grommet,nonmetallic
Keysight Technologies Inc
6610-01-418-578639163 INTERCHANGEABLE
Plate Assy,gear,stud
Elbitamerica, Inc.
2520-01-470-9960A13235N1262 INTERCHANGEABLE
Differential,steering Control
Meritor Industrial Products, Llc
Cross-Reference Index
Part NumberManufacturer
39163 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
5935-00-149-5427INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
39-163
4730-00-203-0030INTERCHANGEABLE
ELBOW,PIPE
SAE J514-3 12-12 140239C
5325-00-821-2875INTERCHANGEABLE
GROMMET,NONMETALLIC
39-163
6610-01-418-5786INTERCHANGEABLE
PLATE ASSY,GEAR,STUD
39163
2520-01-470-9960INTERCHANGEABLE
DIFFERENTIAL,STEERING CONTROL
A13235N1262

Frequently Asked Questions

What is NSN 4820-01-458-0559?

NSN 4820-01-458-0559 is a Valve,safety Relief, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-458-0559?

NSN 4820-01-458-0559 has 1 cross-referenced part number: 39163 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 4820-01-458-0559?

There are 5 known substitutes for 4820-01-458-0559: 5935-00-149-5427, 4730-00-203-0030, 5325-00-821-2875 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39163?

Key specifications for 39163: End Item Identification: DAVITS,BOAT,BOOM,2030-01-411-3925 ABOARD 14 FT RIGID HULL INFLATABLE COAST GUARD BOATS FT; Special Features: WINCH ELECTRICALLY OPERATED RELIEF VALVE. 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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