00556B

O-Ring

This page provides complete and verified information for part number 00556B, NSN 5331-00-252-6049

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

00556B
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5331 O-Ring
National Stock Number
5331-00-252-6049
Item Name Code
47946
Assigment Date
01/01/1963 (63 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

2.233 inches minimum and 2.279 inches maximum outside diameter, 2.040 inches minimum and 2.060 inches maximum center hole diameter, rubber butadiene-acrylonitrile class nbr material, 0.100 inches minimum and 0.106 inches maximum cross-sectional height

Characteristics

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

Outside Diameter
2.233 inches minimum and 2.279 inches maximum
Cross-Sectional Height
0.100 inches minimum and 0.106 inches maximum
Center Hole Diameter
2.040 inches minimum and 2.060 inches maximum
Material
rubber butadiene-acrylonitrile class nbr

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
1 - Full descriptive item identification
Automatic Data Processing Point
0 - Represents items with no adp components
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
A510X0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0047946
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
4016930000

Freight Information

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

Major Organizational Entity
XX
National Motor Freight Classification Item Number
194120
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
95100
National Motor Freight Class Rating
W - Rating variable
Water Commodity
596 - Gaskets, (machinery and parts),(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
washers/gaskets/pckg dvcs noi

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 00556B

What is the FSCG of the NSN 5331-00-252-6049?
The FSCG of the NSN 5331-00-252-6049 is 5331
Does the NSN 5331-00-252-6049 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-252-6049 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 5331-00-252-6049 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-00-252-6049 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 5331-00-252-6049 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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