The Valve,check, cataloged under National Stock Number 4820-01-417-4938, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cascade Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 4820-01-417-4938 |
| Primary Part Number | 563904 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Cascade Corp |
| Status | ACTIVE |
| Valve Operation Method | AUTOMATIC |
| Style Designator | STRAIGHT THRU |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-417-4938 is a Valve,check, manufactured by Cascade Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-417-4938 has 2 cross-referenced part numbers: 563904 (Cascade Corp), 560717 (Cascade Corp).
There are 2 known substitutes for 4820-01-417-4938: 5310-00-084-0027, 5961-00-421-3040. Verify interchangeability with system specifications before substitution.
Key specifications for 563904: Valve Operation Method: AUTOMATIC; Style Designator: STRAIGHT THRU; Special Features: INCLUDES SNAP RING, WASHER, SPACER, O-RING, AND INSTRUCTION SHEET; End Item Identification: FREE LIFT 2 STAGE MAST, MODEL 60D-MD-341, FOR THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 4 total characteristics are documented in the Federal Logistics Information System.