The Valve,safety Relief, cataloged under National Stock Number 4820-00-997-3453, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-997-3453 |
| Primary Part Number | 586611 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Thread Series Designator | UNF ALL ENDS |
| Nominal Thread Size | 1.312 INCHES ALL ENDS IN |
| Flow Control Device | POPPET |
| Style Designator | ANGLE |
| Thread Class | 3A ALL ENDS A |
| Disk Loading Method | SPRING |
| Material | STEEL OVERALL |
| Valve Operation Method | AUTOMATIC |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 586611 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4820-00-997-3453 is a Valve,safety Relief, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-997-3453 has 1 cross-referenced part number: 586611 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There is 1 known substitute for 4820-00-997-3453: 5962-00-470-1639. Verify interchangeability with system specifications before substitution.
Key specifications for 586611: End Item Identification: LUBE OIL SYSTEM MODEL FT4A-2-6 AND 12 PRATT & WHITNEY GAS TURBINE ONBOARD 378 WHEC AND 400 WAGB COAST GUARD VESSELS; Thread Series Designator: UNF ALL ENDS; Nominal Thread Size: 1.312 INCHES ALL ENDS IN; Flow Control Device: POPPET. 11 total characteristics are documented in the Federal Logistics Information System.