NSN 5330-00-737-4657 6763597, 7374657, 00-737-4657
Product Details | METAL SEAL RING
5330-00-737-4657 A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes and is cut through at one point to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also RING, PISTON and RING, WIPER.
Part Alternates: 6763597, 7374657, 5330-00-737-4657, 00-737-4657, 5330007374657, 007374657
Hardware and Abrasives | Packing and Gasket Materials
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-737-4657 | 21205 ( SEAL RING, METAL ) |
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Technical Data | NSN 5330-00-737-4657
| Characteristic | Specifications |
|---|---|
| MATERIAL | IRON OVERALL |
| METALLIC HARDNESS RATING | 95.0 MINIMUM ROCKWELL B AND 100.0 MAXIMUM ROCKWELL B |
| CROSS-SECTIONAL SHAPE STYLE | A14 CONVEX FACE |
| JOINT STYLE | 6 INTERLOCK JOINT |
| RING STYLE | 5 EXPANDING CONCENTRIC |
| OUTSIDE DIAMETER | 4.375 INCHES NOMINAL |
| RADIAL WALL THICKNESS | 0.1120 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM |
| OVERALL WIDTH | 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
Restrictions/Controls & Freight Information | NSN 5330-00-737-4657
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | P | There is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 172640 | SEALS, SECURITY |
| Less than car load rating | Q | 70 |
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 596 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |



