The Barrel Assembly,valve, cataloged under National Stock Number 4820-01-012-6439, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-012-6439 |
| Primary Part Number | P39-433M PIECE 56 |
| Item Name | Barrel Assembly,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MONEL WITH POLYTETRAFLUOROETHYLENE SEAL,4.600 IN. O/A LENGTH,1.200 IN. OUTSIDE DIAMETER OF BARREL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| P39-433M PIECE 56 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 113572M | Babcock and Wilcox Co Control Components International (USA) |
| 5939 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 4820-01-012-6439 is a Barrel Assembly,valve, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-012-6439 has 3 cross-referenced part numbers: P39-433M PIECE 56 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 113572M (Babcock and Wilcox Co Control Components International), 5939 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).
There are 8 known substitutes for 4820-01-012-6439: 5330-00-108-9661, 6685-00-641-0189, 5950-00-937-3996 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for P39-433M PIECE 56: General Characteristics Item Description: MONEL WITH POLYTETRAFLUOROETHYLENE SEAL,4.600 IN. O/A LENGTH,1.200 IN. OUTSIDE DIAMETER OF BARREL IN. 1 total characteristics are documented in the Federal Logistics Information System.