The Valve,vent, cataloged under National Stock Number 4820-01-095-7239, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-095-7239 |
| Primary Part Number | 2750088-103 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Flange Shape | HEXAGON WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | INVERTED FLARE (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 5.500 INCHES IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 3.000 INCHES SECOND END IN |
| Seat Angle | 20.0 DEGREES SECOND END |
| Bolt Hole Quantity | 6 FIRST END |
| Face to Face Distance | 5.060 INCHES IN |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 16 SECOND END |
| Thread Series Designator | UN SECOND END |
| Nominal Thickness | 0.250 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70307-03007-105 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 2750088-103 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 4820PL2219422 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2750088-103 | 5/9 Secondary reference U.S. Government activity |
| 70307-03007-104 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4820-01-095-7239 is a Valve,vent, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-095-7239 has 2 manufacturer part numbers on file: 70307-03007-105 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 2750088-103 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for 2750088-103: Flange Shape: HEXAGON WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Connection Style: INVERTED FLARE (PIPE) SECOND END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 16 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.
NSN 4820-01-095-7239 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.