2-256 O-Ring
5331-01-028-8981
Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.
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Official Item Classification
- Name
- O-Ring
- Part Number
- 2-256
- (NSN) National Stock Number
- 5331-01-028-8981
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5331 O-Ring
- (INC) Item Name Code
- 47946
- (FIIG) Federal Item Identification Guide
- A510X0
- Date
- 10/13/1976 (50 years ago)
-65.0 fahrenheit and 450.0 fahrenheit temp rating, 5.687 inches nominal center hole diameter, 5.969 inches minimum and 6.055 inches maximum outside diameter, 70.0 shore durometer a nominal hardness rating, 0.139 inches nominal cross-sectional height
Specs & Compatibility
5.969 inches minimum and 6.055 inches maximum
-65.0 fahrenheit and 450.0 fahrenheit
0.139 inches nominal
5.687 inches nominal
70.0 shore durometer a nominal
rubber
Replacement For
| Part Number | Description | |
|---|---|---|
| 5331-00-485-0725 | No Name Available | 02/01/2003 |
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0047946
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