The Repair Kit,valve, cataloged under National Stock Number 4820-01-689-8044, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Repair Kit,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Aerospace Supply, Inc Div Asi Marine & Industrial (CAGE 51214); Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering (CAGE 0K9K5) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-689-8044 |
| Primary Part Number | RK-190507 |
| Item Name | Repair Kit,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering |
| 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 |
|---|---|
| RK-190507 | Aerospace Supply, Inc Div Asi Marine & Industrial (USA) |
| RK-190507 PRIMARY | Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering (USA) |
| Reference | Meaning |
|---|---|
| VT3612-40UU-190507 | D/9 Drawing number reference only Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering |
| VT3612-40UU-190507/SEE NOTE 17 | C/1 Advisory reference — outside the item-of-supply concept Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering |
NSN 4820-01-689-8044 is a Repair Kit,valve, manufactured by Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-689-8044 has 2 manufacturer part numbers on file: RK-190507 (Aerospace Supply, Inc Div Asi Marine & Industrial), RK-190507 (Specialty & Ball Valve Engineering, Inc. Dba Specialty & Ball Valve Engineering).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-689-8049. 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.
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.