The Stem,valve,expansion, cataloged under National Stock Number 4820-00-633-8591, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Air Products & Chemicals, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-633-8591 |
| Primary Part Number | 34447B |
| Item Name | Stem,valve,expansion |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Air Products & Chemicals, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 0.750 IN. DIA THD,16 THDS PER IN.,CLASS 2,BUSHING 17.500 IN. FROM 2ND END EXCLUDING NEEDLE IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 34447B | Air Products & Chemicals, Inc (USA) |
| 34447 | Air Products & Chemicals, Inc (USA) |
| 3-811-69-0031 | Greenfield Compression Inc. (USA) |
NSN 4820-00-633-8591 is a Stem,valve,expansion, manufactured by Air Products & Chemicals, Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-633-8591 has 3 cross-referenced part numbers: 34447B (Air Products & Chemicals, Inc), 34447 (Air Products & Chemicals, Inc), 3-811-69-0031 (Greenfield Compression Inc.).
There are 5 known substitutes for 4820-00-633-8591: 3040-00-388-7710, 2510-00-737-1056, 6105-01-169-2806 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 34447B: General Characteristics Item Description: 0.750 IN. DIA THD,16 THDS PER IN.,CLASS 2,BUSHING 17.500 IN. FROM 2ND END EXCLUDING NEEDLE IN. 1 total characteristics are documented in the Federal Logistics Information System.