The Valve,flow Control, cataloged under National Stock Number 4820-01-210-1237, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Level 10 Industries, Inc. Div Level 10 Industries. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-210-1237 |
| Primary Part Number | 529421 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Level 10 Industries, Inc. Div Level 10 Industries |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 529421 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| Reference | Meaning |
|---|---|
| 529421 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| SH-8874-2 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
NSN 4820-01-210-1237 is a Valve,flow Control, manufactured by Level 10 Industries, Inc. Div Level 10 Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-210-1237 has 1 manufacturer part number on file: 529421 (Level 10 Industries, Inc. Div Level 10 Industries).
1 possible match (shared part number, not a government interchangeability claim): 5940-01-586-1838. Verify interchangeability with system specifications before substitution.
Key specifications for 529421: End Item Identification: COOPER SERIES P-3 HOIST. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.