The Valve,safety Relief, cataloged under National Stock Number 4820-01-267-4239, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Teledyne Instruments, Inc. Dba Teledyne Monitor Labs Div Teledyne Monitor Labs. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-267-4239 |
| Primary Part Number | 30-6658 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Teledyne Instruments, Inc. Dba Teledyne Monitor Labs Div Teledyne Monitor Labs |
| Status | ACTIVE |
| Opening Pressure Setting | 4.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-267-4239 is a Valve,safety Relief, manufactured by Teledyne Instruments, Inc. Dba Teledyne Monitor Labs Div Teledyne Monitor Labs, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-267-4239 has 2 cross-referenced part numbers: 30-6658 (Teledyne Instruments, Inc. Dba Teledyne Monitor Labs Div Teledyne Monitor Labs), 100-6658 (Dynatron Inc).
There are 4 known substitutes for 4820-01-267-4239: 5915-01-144-6525, 5330-01-207-0260, 6150-01-428-9423 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 30-6658: Opening Pressure Setting: 4.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 2 total characteristics are documented in the Federal Logistics Information System.