The Valve,safety Relief, cataloged under National Stock Number 4820-00-542-5683, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-542-5683 |
| Primary Part Number | 4820005425683 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Material | STEEL OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Thread Series Designator | PTF-SPL SHORT ALL ENDS |
| Flow Control Device | BALL |
| Disk Loading Method | SPRING |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Opening Pressure Setting | 25.0 POUNDS PER SQUARE INCH LBS |
| Style Designator | ANGLE |
| Valve Operation Method | AUTOMATIC |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4820005425683 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| A-5679 | Lincoln Engineering Co of California (USA) |
| MS35670 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS35670-4B | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 5679 | Lincoln Co (USA) |
| 4820005425683 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 4820-00-542-5683 is a Valve,safety Relief, manufactured by E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-542-5683 has 6 cross-referenced part numbers: 4820005425683 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), A-5679 (Lincoln Engineering Co of California), MS35670 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35670-4B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5679 (Lincoln Co) and 1 more.
There are 12 known substitutes for 4820-00-542-5683: 2590-00-045-3797, 1650-00-101-7832, 5960-00-189-5978 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4820005425683: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV); Material: STEEL OVERALL; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED. 13 total characteristics are documented in the Federal Logistics Information System.