The Piston,valve, cataloged under National Stock Number 4820-01-420-2139, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-420-2139 |
| Primary Part Number | 37338 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Moog Inc. Dba Ampac-Isp Corp |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| Valve Type for Which Designed | DIRECTIONAL CONTROL LINEAR |
| Valve Model Number for Which Designed | 4000SB |
| Valve Design Control Activity | 07270 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 37338 PRIMARY | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 4000-37330 ITEM 8 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 4000-37330 | Moog Inc. Dba Ampac-Isp Corp (USA) |
NSN 4820-01-420-2139 is a Piston,valve, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-420-2139 has 3 cross-referenced part numbers: 37338 (Moog Inc. Dba Ampac-Isp Corp), 4000-37330 ITEM 8 (Moog Inc. Dba Ampac-Isp Corp), 4000-37330 (Moog Inc. Dba Ampac-Isp Corp).
There are 7 known substitutes for 4820-01-420-2139: 3020-01-360-3567, 4810-01-420-1037, 3020-01-420-1039 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 37338: Material: ALUMINUM ALLOY; Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR; End Item Identification: LOS ANGELES CLASS SSN (688); Valve Model Number for Which Designed: 4000SB. 6 total characteristics are documented in the Federal Logistics Information System.