The Stem,fluid Valve, cataloged under National Stock Number 4820-01-506-9942, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B N L Industries Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-506-9942 |
| Primary Part Number | HBV-A2-10-0003 DET. NO.5 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | BALL |
| Stem Actuating End Type | FLATTED |
| Material Document and Classification | QQ-N-281 CL. A C. D. FED SPEC SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 1.000 INCHES IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| HBV-A2-10-0003 DET. NO.5 PRIMARY | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| HBV-A2-10-0003 | D/9 Drawing number reference only B N L Industries Inc |
NSN 4820-01-506-9942 is a Stem,fluid Valve, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-506-9942 has 1 manufacturer part number on file: HBV-A2-10-0003 DET. NO.5 (B N L Industries Inc).
Key specifications for HBV-A2-10-0003 DET. NO.5: Valve Type for Which Designed: BALL; Stem Actuating End Type: FLATTED; Material Document and Classification: QQ-N-281 CL. A C. D. FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.875 INCHES NOMINAL IN. 5 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.