NSN 4930-01-456-5399 1598AS2721, 1598AS272-1, 55N0029
Product Details | RELIEF VENT UNIT
4930-01-456-5399 A spring loaded device equipped with automatic pressure and vacuum relief valves to relieve drum structure of excessive vapor pressure build-ups and provide for vacuum relief to facilitate liquid flow. It also serves as a filling unit with removable cap with chain attachment.
Part Alternates: 1598AS2721, 1598AS272-1, 55N0029, 4930-01-456-5399, 01-456-5399, 4930014565399, 014565399
Maintenance and Repair Shop Equipment | Lubrication and Fuel Dispensing Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 49 | 17 JUN 1998 | 01-456-5399 | 35932 ( VENT UNIT, RELIEF ) |
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Technical Data | NSN 4930-01-456-5399
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING |
| OVERALL LENGTH | 4.380 INCHES NOMINAL |
| OVERALL WIDTH | 2.000 INCHES NOMINAL |
| OVERALL HEIGHT | 2.000 INCHES NOMINAL |
| SPECIAL FEATURES | HOLE THRU CENTER, 0.906 DIA.; THREADED BOTH ENDS 0.750-14NPT AND 1.000-11.5NPT; 2 THREADED HOLES THRU SIDE 0.500-NPT |
Restrictions/Controls & Freight Information | NSN 4930-01-456-5399
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||
Management | NSN 4930-01-456-5399
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |