4820-01-219-5593
Safety Relief Valve
Find complete technical information, availability, and procurement data for NSN 4820-01-219-5593 All details are based on official government and industry records to support accurate and compliant procurement.
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-219-5593
Item Name Code
05488
Assigment Date
10/29/1985 (40 years ago)
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.
disk flow control device, 250.0 fahrenheit single response maximum operating temp, 3a all ends thread class, right-hand all ends thread direction, -40.0 fahrenheit minimum operating temp
Characteristics
Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.
- Thread Class
- 3a all ends
- Thread Direction
- right-hand all ends
- Flow Control Device
- disk
- Maximum Operating Temp
- 250.0 fahrenheit single response
- Minimum Operating Temp
- -40.0 fahrenheit
- Connection Style
- flared (tube) all ends
- Valve Operation Method
- automatic
- Connection Type
- threaded external tube all ends
- Thread Quantity Per Inch
- 18 all ends
- Maximum Operating Pressure
- 200.0 pounds per square inch single response
- Nominal Thread Size
- 0.375 inches all ends
- Seat Angle
- 37.0 degrees all ends
- Opening Pressure Setting
- 35.0 pounds per square inch
- Special Features
- packing;general purpose-buna-n,per mil-p-25732.
- Material
- aluminum alloy body
- Material Document And Classification
- qq-a-225/6 fed spec single material response body
- Surface Treatment
- anodize
- Surface Treatment Document And Classification
- mil-8625 type 1 mil spec single treatment response
- Style Designator
- straight thru
- Thread Series Designator
- unj all ends
Related Parts & Specifications
This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.
| Part Number | Name |
|---|---|
| 7M304D6-0350 | Safety Relief Valve |
| RV05-28-35.0 | Safety Relief Valve |
| ST7M304D6-035.0 | Safety Relief Valve |
Classification Data
Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.
- Type of Item Identification
- Demilitarization
- Criticality
- Federal Item Identification Guide
- Precious Metals Indicator
- Pseudo Item Name Code
- Hazardous Material Indicator
- Schedule B Code
- 4 - Partial descriptive item identification (type 1 concept)
- A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
- X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
- A046B0
- A - Item does not contain precious metal.
- 0005488
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- 8481400000
Freight Information
Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.
- Major Organizational Entity
- National Motor Freight Classification Item Number
- National Motor Freight Classification Sub-Item Number
- Uniform Freight Classification Item Number
- National Motor Freight Class Rating
- Water Commodity
- Type of Cargo
- Special Hand
- Air Dimension
- Air Commodity
- National Motor Freight Description
- AX
- 127220
- X
- 64490
- P - 77.5
- 671 - Aircraft parts, to include test/tool sets and equipment (other than armament systems)
- Z - No special type of cargo code applicable
- 9 - Other or no special handling required (sh)
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- VZ -
- pressure reg/red/relief valves noi
FAQs
Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-01-219-5593
What is the FSCG of the NSN 4820-01-219-5593?
The FSCG of the NSN 4820-01-219-5593 is 4820
Does the NSN 4820-01-219-5593 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-219-5593 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-01-219-5593 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-219-5593 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-219-5593 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Tue, Oct 29, 1985
Need Consumables?
Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.
Recommended for You
Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.
Price & Availability
Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:
FREE
