The Valve,safety Relief, cataloged under National Stock Number 4820-00-138-1831, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Altec Air, Llc Dba Altec Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Altec Air, Llc Dba Altec Llc (CAGE 06178) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-138-1831 |
| Primary Part Number | S155 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Altec Air, Llc Dba Altec Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S155 PRIMARY | Altec Air, Llc Dba Altec Llc (USA) |
NSN 4820-00-138-1831 is a Valve,safety Relief, manufactured by Altec Air, Llc Dba Altec Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-138-1831 has 1 cross-referenced part number: S155 (Altec Air, Llc Dba Altec Llc).
There are 6 known substitutes for 4820-00-138-1831: 3110-00-186-5017, 4810-00-842-2270, 4810-00-881-3005 and 3 more. Verify interchangeability with system specifications before substitution.