The Valve,safety Relief, cataloged under National Stock Number 4820-01-518-1257, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 1 verified specification, 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 | 4820-01-518-1257 |
| Primary Part Number | 64304 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-518-1257 is a Valve,safety Relief, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-518-1257 has 2 cross-referenced part numbers: 64304 (Chase Supply, Inc. Dba Chase Defense Partners), 64304 (Tescom Corp Dba Tescom Div Tescom).
There are 2 known substitutes for 4820-01-518-1257: 6635-01-185-4013, 7042-01-585-2715. Verify interchangeability with system specifications before substitution.
Key specifications for 64304: Part Name Assigned by Controlling Agency: (INAVY)VALVE, PRESS LIMIT, ACFT; Criticality Code Justification: AGAV; End Item Identification: CONTROL PANEL ASSY;NITROGEN SERVICING UNIT (P/N 1317AS100-2). 3 total characteristics are documented in the Federal Logistics Information System.