The Head,safety,pressure Relief, cataloged under National Stock Number 4820-00-391-5742, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kidde-Fenwal, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-391-5742 |
| Primary Part Number | 90900540 |
| Item Name | Head,safety,pressure Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Kidde-Fenwal, Llc |
| Status | ACTIVE |
| Head Material | COPPER ALLOY |
| End Connection Type | THREADED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-391-5742 is a Head,safety,pressure Relief, manufactured by Kidde-Fenwal, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-391-5742 has 2 cross-referenced part numbers: 900540 (Kidde Inc Walter Kidde Div Portable Cylinder Opns), 90900540 (Kidde-Fenwal, Llc).
There are 2 known substitutes for 4820-00-391-5742: 6680-01-111-4855, 5325-01-222-9006. Verify interchangeability with system specifications before substitution.
Key specifications for 90900540: Head Material: COPPER ALLOY; End Connection Type: THREADED. 2 total characteristics are documented in the Federal Logistics Information System.