The Stem,fluid Valve, cataloged under National Stock Number 4820-01-371-1439, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-371-1439 |
| Primary Part Number | B12071-1 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Stem Actuating End Type | THREADED INTERNALLY |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B12071-1REV B | Carleton Technologies Inc Div Tampa Facility (USA) |
| B12071-1REV C | Mission Systems Orchard Park Inc (USA) |
| B15830-3-REV C ITEM NO. 10 | Carleton Technologies Inc Div Tampa Facility (USA) |
| B12071 | Carleton Technologies Inc Div Tampa Facility (USA) |
| B12071-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| B12071-1REV B | Mission Systems Orchard Park Inc (USA) |
| B15830-3-REV C ITEM NO. 10 | Mission Systems Orchard Park Inc (USA) |
NSN 4820-01-371-1439 is a Stem,fluid Valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-371-1439 has 7 cross-referenced part numbers: B12071-1REV B (Carleton Technologies Inc Div Tampa Facility), B12071-1REV C (Mission Systems Orchard Park Inc), B15830-3-REV C ITEM NO. 10 (Carleton Technologies Inc Div Tampa Facility), B12071 (Carleton Technologies Inc Div Tampa Facility), B12071-1 (Mission Systems Orchard Park Inc) and 2 more.
There are 4 known substitutes for 4820-01-371-1439: 6640-01-153-6786, 3040-01-446-4665, 3040-01-446-6274 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for B12071-1: Stem Actuating End Type: THREADED INTERNALLY; Material: STEEL CORROSION RESISTING. 2 total characteristics are documented in the Federal Logistics Information System.