The Stem,fluid Valve, cataloged under National Stock Number 4820-01-329-3541, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pima Valve, Llc. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-329-3541 |
| Primary Part Number | NB25221E-0000 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Pima Valve, Llc |
| Status | ACTIVE |
| Stem Actuating End Type | THREADED INTERNALLY |
| Material | NICKEL ALLOY |
| Valve Size for Which Designed | 3.000 INCHES IN |
| Valve Type for Which Designed | STOP-CHECK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NB25221E-0000 | Pima Valve, Llc (USA) |
| NB25221E-0000 3IN PC9 | Hunt Valve Company, Inc. (USA) |
| NB25221E-0000 3IN PC9 | Pima Valve, Llc (USA) |
NSN 4820-01-329-3541 is a Stem,fluid Valve, manufactured by Pima Valve, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-329-3541 has 3 cross-referenced part numbers: NB25221E-0000 (Pima Valve, Llc), NB25221E-0000 3IN PC9 (Hunt Valve Company, Inc.), NB25221E-0000 3IN PC9 (Pima Valve, Llc).
There are 9 known substitutes for 4820-01-329-3541: 4820-01-328-6261, 4820-01-331-2910, 4820-01-331-8670 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for NB25221E-0000: Stem Actuating End Type: THREADED INTERNALLY; Material: NICKEL ALLOY; Valve Size for Which Designed: 3.000 INCHES IN; Valve Type for Which Designed: STOP-CHECK. 4 total characteristics are documented in the Federal Logistics Information System.