The Valve,pressure and Temperature, cataloged under National Stock Number 4820-01-378-8840, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-378-8840 |
| Primary Part Number | 6400159-2 |
| Item Name | Valve,pressure and Temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIALS: BARREL VALVE SPRING: CORROSION RESISTANT STEEL, COMMERCIAL GRADE, TYPE 302 OR 304; SWIVEL PLUG, CUP, AND CENTER PIN: BRASS OR BRONZE, COMMERCIAL GRADE; CUP SEAL: SILICONE RUBBER, 70 DUROMETER; BARREL SEAL: POLYTETRAFLUOROETHYLENE, COMMERCIAL GRADE, 0.0001 INCH THINK MINIMUM; OPERATING TEMPERATURE; MINUS 65 DEG TO PLUS 350 DEG TEMP F; OPERATING PRESSURE ; 0TO 350 PSI; OPENING SPRING PRESSURE; 50 PSI MINIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-378-8840 is a Valve,pressure and Temperature, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-378-8840 has 2 manufacturer part numbers on file: 6400159-2 (Raytheon Company), 6400159-2 (Raytheon Company Dba Raytheon Co).
Key specifications for 6400159-2: General Characteristics Item Description: MATERIALS: BARREL VALVE SPRING: CORROSION RESISTANT STEEL, COMMERCIAL GRADE, TYPE 302 OR 304; SWIVEL PLUG, CUP, AND CENTER PIN: BRASS OR BRONZE, COMMERCIAL GRADE; CUP SEAL: SILICONE RUBBER, 70 DUROMETER; BARREL SEAL: POLYTETRAFLUOROETHYLENE, COMMERCIAL GRADE, 0.0001 INCH THINK MINIMUM; OPERATING TEMPERATURE; MINUS 65 DEG TO PLUS 350 DEG TEMP F; OPERATING PRESSURE ; 0TO 350 PSI; OPENING SPRING PRESSURE; 50 PSI MINIMUM IN; End Item Identification: AIM-120 AMRAAM MISSILE. 1 specification is 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.
NSN 4820-01-378-8840 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.