The Seat,valve, cataloged under National Stock Number 4820-00-824-5687, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 46 commercial cross-references from 6 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 | 4820-00-824-5687 |
| Primary Part Number | 2640-857X1PC7 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2640-857X1PC7 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 845-8616970-ITEM NO-11 | Naval Sea Systems Command (USA) |
| 2640-857X1PC7D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 564-7286740-43 | Naval Sea Systems Command (USA) |
| 7383858-264285701-27D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2644-857-01-ITEM NO-11 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-801-1 PIECE 12D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-8617286-ITEM NO-6D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2644-2003-ITEM NO-6D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H5532003-43AD4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2640-801X01 PC 12 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 255584 PIECE 12 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| H547-0001-H5532003-043AD4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 508-4674154 ITEM 15D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2642-857-01 ITEM 27 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-801-1 PIECE 12 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 7383858-H5532003-043AD4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-264285701-27D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0003-H5532003-043A | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 7383858-264285701-27 | Naval Sea Systems Command (USA) |
NSN 4820-00-824-5687 is a Seat,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-824-5687 has 46 cross-referenced part numbers: 2640-857X1PC7 (Electric Boat Corporation Div General Dynamics Electric Boat), 845-8616970-ITEM NO-11 (Naval Sea Systems Command), 2640-857X1PC7D4 (Naval Inventory Control Point Mechanicsburg), 564-7286740-43 (Naval Sea Systems Command), 7383858-264285701-27D4 (Naval Inventory Control Point Mechanicsburg) and 41 more.
There are 4 known substitutes for 4820-00-824-5687: 9330-01-336-7096, 4820-01-476-1571, 4820-01-504-7557 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-857X1PC7: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES. 2 total characteristics are documented in the Federal Logistics Information System.