The Valve,check, cataloged under National Stock Number 4820-00-706-4587, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Lee Co Dba the Lee Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-706-4587 |
| Primary Part Number | CKRA2506005A |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | The Lee Co Dba the Lee Co |
| Status | CANCELLED |
| Material | STEEL COMP 440C FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-S-763,CLASS 440C,COND A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Connection Type | UNTHREADED CARTRIDGE ALL ENDS |
| Material Document and Classification | QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material | STEEL COMP 303 BODY |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | PASSIVATE |
| Criticality Code Justification | FEAT |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | BALL |
| Disk Loading Method | SPRING |
| Material | STEEL COMP 303 SEAT |
| Material Document and Classification | QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21820 FN 61 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 771-590-9004 | Product Engineering Laboratories Co Inc (USA) |
| 3024T34P01 | General Electric Company Dba Ge Aerospace (USA) |
| 1244564-1 | Goodrich Corporation Div Advanced Structures Landing Systems (USA) |
| 10109262 | Nimikkeistokeskus Ncb Finland (FIN) |
| 023-63676-3 | Moog Military Aircraft Llc (USA) |
| 771-590 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA) |
| 1244564-1 | Goodrich Corp Dba Goodrich Corp (USA) |
| 287807-1 | Parker-Hannifin Corporation Dba Control Systems Division (USA) |
| 1244564 | Goodrich Corp Dba Goodrich Corp (USA) |
| 21081 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| C2727-250-005 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 566-6408394-22 | Naval Sea Systems Command (USA) |
| 21837 FIND 63 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 21081 FIND 53 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| CKRA2506005A PRIMARY | The Lee Co Dba the Lee Co (USA) |
| 250CKR005 | The Lee Co Dba the Lee Co (USA) |
| 5278506 | Naval Sea Systems Command (USA) |
| 21103-89 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 3024T34 | General Electric Company Dba Ge Aerospace (USA) |
NSN 4820-00-706-4587 is a Valve,check, manufactured by The Lee Co Dba the Lee Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-706-4587 has 25 cross-referenced part numbers: 21820 FN 61 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 771-590-9004 (Product Engineering Laboratories Co Inc), 3024T34P01 (General Electric Company Dba Ge Aerospace), 1244564-1 (Goodrich Corporation Div Advanced Structures Landing Systems), 10109262 (Nimikkeistokeskus Ncb Finland) and 20 more.
There are 11 known substitutes for 4820-00-706-4587: 5120-00-240-5328, 5306-00-496-4640, 5841-00-692-2836 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for CKRA2506005A: Material: STEEL COMP 440C FLOW CONTROL DEVICE; End Item Identification: SEAWOLF CLASS SSN, STURGEON CLASS SSN (637), NIMITZ CLASS CVN, LOS ANGELES CLASS SSN (688). C-17A AIRLIFTER, B-2 BOMBER (ATB) AIRCRAFT. MH-53E HELICOPTER. A; Material Document and Classification: QQ-S-763,CLASS 440C,COND A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Connection Type: UNTHREADED CARTRIDGE ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-706-4587 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.