1. Home /
  2. Catalog /
  3. Nonpowered Valves /
  4. 4820-01-218-4955

4820-01-218-4955

Check Valve

Find complete technical information, availability, and procurement data for NSN 4820-01-218-4955 All details are based on official government and industry records to support accurate and compliant procurement.

4820-01-218-4955
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-218-4955
Item Name Code
05487
Assigment Date
10/14/1985 (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.

rubber silicone class q overall material, automatic valve operation method, clamp mounting facility, straight thru style designator

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Valve Operation Method
automatic
Mounting Facility
clamp
Material
rubber silicone class q overall
Style Designator
straight thru

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
3169596 Check Valve
3169596-1 Check 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
4 - Partial descriptive item identification (type 1 concept)
Demilitarization
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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A530B0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0005487
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
8481309000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
AX
National Motor Freight Classification Item Number
051080
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
29300
National Motor Freight Class Rating
W - Rating variable
Water Commodity
576 - Metal and metal products, nos, (less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
VZ -
National Motor Freight Description
faucets,bibcocks,gates valves

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-01-218-4955

What is the FSCG of the NSN 4820-01-218-4955?
The FSCG of the NSN 4820-01-218-4955 is 4820
Does the NSN 4820-01-218-4955 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-01-218-4955 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 4820-01-218-4955 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-218-4955 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 4820-01-218-4955 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Mon, Oct 14, 1985

Need Consumables?

Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.

Electrical Wires

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

Aviation Suppliers Association Member AS9120-ISO9001 Certification

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition:

1718-02
5310-00-550-3796
Lock Washer
1718-02-00-4102
5310-00-571-9582
Lock Washer
1718-03
5305-01-083-9414
Screw
1718-04
5305-01-083-9415
Screw
1718-1
5935-00-518-8229
Electrical Plug Connector
1718-1546
6130-00-251-8443
Power Supply
1718-1579
5935-00-254-5471
Electrical Receptacle Connector
1718-16 NON-ASBESTOS
5330-01-426-1743
Gasket
1718-2313Y
4330-00-469-1124
Fluid Filter Cover
1718-2SA2
6610-00-244-6738
Turn and Slip Indicator
1718-3
5905-01-180-9347
Film Fixed Resistor Network
1718-5109
5895-00-411-7979
Message Console
1718-5141
5998-00-140-9654
Circuit Card Assembly
1718-B-158
5360-01-082-5135
Helical Spring
1718-C-108
5310-01-295-4714
Flat Washer