The Repair Kit,valve, cataloged under National Stock Number 4820-01-513-5931, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Repair Kit,valve |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Circor Aerospace Inc (CAGE 1DRT7); Circor Aerospace, Inc. Dba Sei Products (CAGE 05CT0) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-513-5931 |
| Primary Part Number | VRK-4-N |
| Item Name | Repair Kit,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-513-5931 is a Repair Kit,valve, manufactured by Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-513-5931 has 4 cross-referenced part numbers: VRK-4-N (Circor Aerospace Inc), 50633 (Circor Aerospace, Inc. Dba Sei Products), VRK-4-N (Circor Aerospace, Inc. Dba Sei Products), 50633 (Circor Aerospace Inc).
There are 6 known substitutes for 4820-01-513-5931: 3040-00-272-9604, 5905-00-685-9578, 4930-00-779-6277 and 3 more. Verify interchangeability with system specifications before substitution.