The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-237-0127, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems. Government technical data includes 10 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 | 4820-01-237-0127 |
| Primary Part Number | 170098 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| First End Thread Direction | RIGHT-HAND |
| Temp Rating | -65.0 FAHRENHEIT AND 140.0 FAHRENHEIT DEGF |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| First End Connection Type | THREADED INTERNAL PIPE |
| Media for Which Designed | OXYGEN, GASEOUS |
| 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 |
|---|---|
| 170098 PRIMARY | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA) |
NSN 4820-01-237-0127 is a Valve,pressure Equalizing,gaseou, manufactured by B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-237-0127 has 1 manufacturer part number on file: 170098 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems).
Key specifications for 170098: Flow Control Device: POPPET; First End Thread Direction: RIGHT-HAND; Temp Rating: -65.0 FAHRENHEIT AND 140.0 FAHRENHEIT DEGF; Second End Relationship with First End: IDENTICAL. 10 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.