PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2396236-1Head,safety,pressure Relief

Tavco, Inc. Div Williams Aerospace & Manufacturing Inc. · NSN 4820-00-722-6523 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-722-6523 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-722-6523. Primary manufacturer part number: 2396236-1.
Features
  • Head,safety,pressure Relief — FSC 4820
  • Head Size: 0.812 INCHES IN
  • 6 verified cross-references
  • Primary manufacturer: Tavco, Inc. Div Williams Aerospace & Manufacturing Inc.
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Head,safety,pressure Relief, cataloged under National Stock Number 4820-00-722-6523, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tavco, Inc. Div Williams Aerospace & Manufacturing Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-722-6523
Primary Part Number2396236-1
Item NameHead,safety,pressure Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTavco, Inc. Div Williams Aerospace & Manufacturing Inc.
StatusACTIVE
Head Size0.812 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-019-8470CD705524-001 INTERCHANGEABLE
Connector,plug,electrical
Rfs Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
58A164B118-3 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
58A164B18 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
2396236-1 PRIMARY Tavco, Inc. Div Williams Aerospace & Manufacturing Inc. (USA)
2396220 Tavco, Inc. Div Williams Aerospace & Manufacturing Inc. (USA)
58A164B118 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
58A164B118 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5935-01-019-8470INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
CD705524-001

Frequently Asked Questions

What is NSN 4820-00-722-6523?

NSN 4820-00-722-6523 is a Head,safety,pressure Relief, manufactured by Tavco, Inc. Div Williams Aerospace & Manufacturing Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-722-6523?

NSN 4820-00-722-6523 has 6 cross-referenced part numbers: 58A164B118-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 58A164B18 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 2396236-1 (Tavco, Inc. Div Williams Aerospace & Manufacturing Inc.), 2396220 (Tavco, Inc. Div Williams Aerospace & Manufacturing Inc.), 58A164B118 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier) and 1 more.

What NSN replaces 4820-00-722-6523?

There is 1 known substitute for 4820-00-722-6523: 5935-01-019-8470. Verify interchangeability with system specifications before substitution.

What are the specifications of 2396236-1?

Key specifications for 2396236-1: Special Features: STAINLESS STEEL PLUG; COPPER ALLOY RUPTURABLE DISK; 0.812 IN. HEX HEAD; 0.562-18 UNF 2A THD SIZE, 0.313 IN. THD LG; 0.900 IN. O/A LG; PRESSURE SET 5000.0 PSI A; Head Size: 0.812 INCHES IN. 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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