The Valve,ball, cataloged under National Stock Number 4820-01-494-8453, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-494-8453 |
| Primary Part Number | HBV-A2-0-0004 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Material | TITANIUM OVERALL |
| 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-A2-0-0004 PRIMARY | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| HBV-A2-03-0004 | C/1 Advisory reference — outside the item-of-supply concept B N L Industries Inc |
NSN 4820-01-494-8453 is a Valve,ball, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-494-8453 has 1 manufacturer part number on file: HBV-A2-0-0004 (B N L Industries Inc).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-494-8490, 4820-01-494-9426, 4820-01-494-9618. Verify interchangeability with system specifications before substitution.
Key specifications for HBV-A2-0-0004: Style Designator: STRAIGHT THRU; Special Features: APPOVED FOR SHIPBOARD APPLICATION BY SUPSHIP NN, VA. LETTER 9072 SER CVN76-261B/1211 17 JUL 2001; APPROXIMATE WEIGHT OF VALVE: 1 3/4 LBS.; LENGTH FROM END CAP TO END CAP: 3 7/8 IN., LENGTH OF LEVER TO CENTER LINE OF VALVE: 4 1/4 IN. LBS; Part Name Assigned by Controlling Agency: 3/8 SCH. 40 SOCKETWELD TITANIUM BALL VALVE, LEVER OPERATED, 700 PSI; Material: TITANIUM OVERALL. 3 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.