The Valve,stop Release, cataloged under National Stock Number 4820-01-144-6145, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,stop Release |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Columbus Jack Corporation Div Columbus Jack (CAGE 00994) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-144-6145 |
| Primary Part Number | 8247-14 |
| Item Name | Valve,stop Release |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 8247-14 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
| Reference | Meaning |
|---|---|
| 8247-14 | 5/9 Secondary reference Age Logistics Corporation |
NSN 4820-01-144-6145 is a Valve,stop Release, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-144-6145 has 1 manufacturer part number on file: 8247-14 (Columbus Jack Corporation Div Columbus Jack).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-494-2969. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-144-6145 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.