The Valve,check, cataloged under National Stock Number 4820-01-666-9290, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northern Lights Inc. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-666-9290 |
| Primary Part Number | 21-20002 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Northern Lights Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21-20002 PRIMARY | Northern Lights Inc (USA) |
NSN 4820-01-666-9290 is a Valve,check, manufactured by Northern Lights Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-666-9290 has 1 cross-referenced part number: 21-20002 (Northern Lights Inc).
There are 2 known substitutes for 4820-01-666-9290: 5950-01-027-8342, 5930-01-061-8093. Verify interchangeability with system specifications before substitution.
Key specifications for 21-20002: End Item Identification: GENERATOR; Part Name Assigned by Controlling Agency: ONE WAY VALVE, BRASS 1/4 NPT X 3/8-37 T; Material: COPPER ALLOY OVERALL. 3 total characteristics are documented in the Federal Logistics Information System.