The Vent Unit,relief, cataloged under National Stock Number 4930-01-693-0457, 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 North American Fuel Tanks, Inc. Dba North American Fuel Tanks Inc. 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 | 4930-01-693-0457 |
| Primary Part Number | 5233-2 |
| Item Name | Vent Unit,relief |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | North American Fuel Tanks, Inc. Dba North American Fuel Tanks Inc |
| Status | ACTIVE |
| General Characteristics Item Description | FUEL VALVE VENT FITTING ASSEMBLY FOR FABRIC FUEL TANK |
| Accessory Components and Quantity | RELIEF CAP(1);2-INCH PIPE(1);2-INCH CAMLOCK COUPLER(1);COUPLING GASKET( 1);0.250-20X1.25 INCH SCREW(8);FLAT WASHER(8);FLANGED 2-INCH VENTLATCH(1);QUICK-DISCONECT CAP(1);O-RING(1);WELDLESS CHAIN(1);AND RETAINING RING(1) IN |
| 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 |
|---|---|
| 5233-2 PRIMARY | North American Fuel Tanks, Inc. Dba North American Fuel Tanks Inc (USA) |
NSN 4930-01-693-0457 is a Vent Unit,relief, manufactured by North American Fuel Tanks, Inc. Dba North American Fuel Tanks Inc, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-01-693-0457 has 1 manufacturer part number on file: 5233-2 (North American Fuel Tanks, Inc. Dba North American Fuel Tanks Inc).
Key specifications for 5233-2: General Characteristics Item Description: FUEL VALVE VENT FITTING ASSEMBLY FOR FABRIC FUEL TANK; Accessory Components and Quantity: RELIEF CAP(1);2-INCH PIPE(1);2-INCH CAMLOCK COUPLER(1);COUPLING GASKET( 1);0.250-20X1.25 INCH SCREW(8);FLAT WASHER(8);FLANGED 2-INCH VENTLATCH(1);QUICK-DISCONECT CAP(1);O-RING(1);WELDLESS CHAIN(1);AND RETAINING RING(1) IN; End Item Identification: 5430-01-686-9570. 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.