The Vent Unit,relief, cataloged under National Stock Number 4930-01-699-2518, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Civacon. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4930-01-699-2518 |
| Primary Part Number | NV4000 |
| Item Name | Vent Unit,relief |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | Civacon |
| Status | ACTIVE |
| Accessory Components and Quantity | QTY 1:BODY,QTY 1:SPRING,PRESSURE,QTY 1:POPPET,PRESSURE,QTY 1:HOUSING,ROLLOVER PUCK,QTY 1:GASKET,FLAT,QTY 1:FLAME ARRESTOR,QTY 1:ASSEMBLY,VACUUM POPPET,QTY 1:RING,WIRE EXTERNAL SNAP,QTY 1:ASSEMBLY,SHUTOFF PUCK AND INCLUDES INSTRUCTION SHEET; |
| Material | ALUMINUM AND STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NV4000 PRIMARY | Civacon (USA) |
NSN 4930-01-699-2518 is a Vent Unit,relief, manufactured by Civacon, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-01-699-2518 has 1 manufacturer part number on file: NV4000 (Civacon).
Key specifications for NV4000: Accessory Components and Quantity: QTY 1:BODY,QTY 1:SPRING,PRESSURE,QTY 1:POPPET,PRESSURE,QTY 1:HOUSING,ROLLOVER PUCK,QTY 1:GASKET,FLAT,QTY 1:FLAME ARRESTOR,QTY 1:ASSEMBLY,VACUUM POPPET,QTY 1:RING,WIRE EXTERNAL SNAP,QTY 1:ASSEMBLY,SHUTOFF PUCK AND INCLUDES INSTRUCTION SHEET;; Special Features: TEMPERATURE RANGE FROM NEGATIVE 40.0 DEGREE FAHRENHEIT TO 158.0 DEGREE FAHRENHEIT;FLOW CAPACITY OF 1,600 SCFH AT 3-PSIG VENTING;FLOW CAPACITY OF 3,900 SCFH AT 1-PSIG VACUUM;; Part Name Assigned by Controlling Agency: PRESSURE VACUUM VENT; End Item Identification: 4930-01-691-6188. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.