The Valve,ball, cataloged under National Stock Number 4820-01-495-8103, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-495-8103 |
| Primary Part Number | HBV-A2-04-0007 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | L-P-403 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-N-281 CL. A FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-S-763 CL. 316, COND. A FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | STEEL CORROSION RESISTING BODY |
| Material | NICKEL ALLOY 400 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Valve Operation Method | MANUAL |
| 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-A2-04-0007 PRIMARY | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| HBV-A2-04-0007 ASSY S311-3A-S1 | 5/9 Secondary reference B N L Industries Inc |
| S311-3A-S1 | 5/9 Secondary reference B N L Industries Inc |
NSN 4820-01-495-8103 is a Valve,ball, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-495-8103 has 1 manufacturer part number on file: HBV-A2-04-0007 (B N L Industries Inc).
Key specifications for HBV-A2-04-0007: Style Designator: STRAIGHT THRU; Material Document and Classification: L-P-403 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material Document and Classification: QQ-N-281 CL. A FED SPEC SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: QQ-S-763 CL. 316, COND. A FED SPEC SINGLE MATERIAL RESPONSE BODY. 8 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.