The Valve,vent, cataloged under National Stock Number 4820-01-393-4532, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Brighton Cromwell Llc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-393-4532 |
| Primary Part Number | A1386H |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Brighton Cromwell Llc |
| 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 |
|---|---|
| A1386H | Amz Alabama Inc. (USA) |
| A1386H PRIMARY | Brighton Cromwell Llc (USA) |
| A1386H | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| A1386H | 5/9 Secondary reference Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems |
| AAA01386H | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-393-4532 is a Valve,vent, manufactured by Brighton Cromwell Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-393-4532 has 3 manufacturer part numbers on file: A1386H (Amz Alabama Inc.), A1386H (Brighton Cromwell Llc), A1386H (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for A1386H: End Item Identification: 2320013601898; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 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.