The Valve,check, cataloged under National Stock Number 4820-01-134-7750, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-134-7750 |
| Primary Part Number | 90168-000 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | CANCELLED |
| Nominal Outside Diameter Tube Accommodated | 0.688 INCHES ALL ENDS IN |
| Connection Style | SOCKET WITH BRAZING RING (TUBE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Valve Operation Method | AUTOMATIC |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY 903 FLOW CONTROL DEVICE |
| Flow Control Device | DISK |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | QQ-C-390, ALLOY 5/D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY 903 BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2620-927X1ASSY8BAMODCOPNI | National Oilwell (USA) |
| 2621-927-01 ASSEMBLY A 1/2 IN | National Oilwell (USA) |
| 2620-927X1ASSY8BAMODCOPNI | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2621-927-01 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2621-927-01 ASS | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2621-927-01 ASSEMBLY A 1/2 IN | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-927X1 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 90168-000 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-134-7750 is a Valve,check, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-134-7750 has 8 cross-referenced part numbers: 2620-927X1ASSY8BAMODCOPNI (National Oilwell), 2621-927-01 ASSEMBLY A 1/2 IN (National Oilwell), 2620-927X1ASSY8BAMODCOPNI (Electric Boat Corporation Div General Dynamics Electric Boat), 2621-927-01 (Electric Boat Corporation Div General Dynamics Electric Boat), 2621-927-01 ASS (Electric Boat Corporation Div General Dynamics Electric Boat) and 3 more.
There are 7 known substitutes for 4820-01-134-7750: 4820-01-062-8563, 4820-01-062-8667, 4820-01-122-5168 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 90168-000: Nominal Outside Diameter Tube Accommodated: 0.688 INCHES ALL ENDS IN; Connection Style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS; Mounting Position: HORIZONTAL; Valve Operation Method: AUTOMATIC. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-134-7750 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.