The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-077-9257, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Babcock & Wilcox Companies, the Div Sales & Service. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-077-9257 |
| Primary Part Number | 189305EPC30-35 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Babcock & Wilcox Companies, the Div Sales & Service |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 189305EPC30-35 | Babcock & Wilcox Companies, the Div Sales & Service (USA) |
| 172C9316PC1 | Bechtel Technical Services Inc Machinery Apparatus Opn (USA) |
| 495846 PT 275177 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 4820-01-077-9257 is a Diaphragm,actuator Valve,special, manufactured by Babcock & Wilcox Companies, the Div Sales & Service, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-077-9257 has 3 cross-referenced part numbers: 189305EPC30-35 (Babcock & Wilcox Companies, the Div Sales & Service), 172C9316PC1 (Bechtel Technical Services Inc Machinery Apparatus Opn), 495846 PT 275177 (Curtiss-Wright Controls, Inc. Div Actuation Division).
There is 1 known substitute for 4820-01-077-9257: 4470-00-297-8568. Verify interchangeability with system specifications before substitution.
Key specifications for 189305EPC30-35: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 total characteristics are documented in the Federal Logistics Information System.