The Valve,check, cataloged under National Stock Number 4820-00-573-2026, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-573-2026 |
| Primary Part Number | 110116-08 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND FIRST END |
| Flow Control Device | CONE |
| Seat Angle | 37.5 DEGREES FIRST END |
| Mounting Facility | THREADED FASTENER |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Material | COPPER ALLOY SEAT |
| Renewable Seat Ring Type | PRESSED-IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Style Designator | ANGLE |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Thread Class | 3A FIRST END A |
| Material | ALUMINUM BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 110116 | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA) |
| 110116-08 PRIMARY | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA) |
| 7710757-501 | The Boeing Company (USA) |
| 7710757-501 | The Boeing Company (USA) |
| 110116-02 | B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems (USA) |
| DAC7710757-501 | The Boeing Company (USA) |
NSN 4820-00-573-2026 is a Valve,check, manufactured by B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-573-2026 has 6 cross-referenced part numbers: 110116 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems), 110116-08 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems), 7710757-501 (The Boeing Company), 7710757-501 (The Boeing Company), 110116-02 (B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems) and 1 more.
There are 2 known substitutes for 4820-00-573-2026: 5305-00-082-1621, 7050-01-628-2279. Verify interchangeability with system specifications before substitution.
Key specifications for 110116-08: Thread Direction: RIGHT-HAND FIRST END; Flow Control Device: CONE; Seat Angle: 37.5 DEGREES FIRST END; Mounting Facility: THREADED FASTENER. 16 total characteristics are documented in the Federal Logistics Information System.