The Stem,fluid Valve, cataloged under National Stock Number 4820-01-138-2021, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-138-2021 |
| Primary Part Number | C404 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | CANCELLED |
| Material | NICKEL ALLOY |
| Material Document and Classification | AQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |
| Largest Outside Diameter | 0.593 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NB-0102-H-0400 PART 6 | Pima Valve, Llc (USA) |
| NB-0102-H-0400-6 | Pima Valve, Llc (USA) |
| C404 PRIMARY | Hunt Valve Company, Inc. (USA) |
NSN 4820-01-138-2021 is a Stem,fluid Valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-138-2021 has 3 cross-referenced part numbers: NB-0102-H-0400 PART 6 (Pima Valve, Llc), NB-0102-H-0400-6 (Pima Valve, Llc), C404 (Hunt Valve Company, Inc.).
There are 6 known substitutes for 4820-01-138-2021: 4720-00-277-8975, 9640-01-032-4651, 3455-01-045-7941 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for C404: Material: NICKEL ALLOY; Material Document and Classification: AQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 14.000 INCHES NOMINAL IN; Largest Outside Diameter: 0.593 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-138-2021 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.