The Valve Exerciser, cataloged under National Stock Number 4940-01-559-3385, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Rex International U.s.a. Inc.. Government technical data includes 2 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-559-3385 |
| Primary Part Number | 681150 |
| Item Name | Valve Exerciser |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rex International U.s.a. Inc. |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 115.0 AC |
| Current Rating | 6.000 AMPERES |
| 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 |
|---|---|
| 681150 PRIMARY | Rex International U.s.a. Inc. (USA) |
NSN 4940-01-559-3385 is a Valve Exerciser, manufactured by Rex International U.s.a. Inc., classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-559-3385 has 1 manufacturer part number on file: 681150 (Rex International U.s.a. Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-582-0933. Verify interchangeability with system specifications before substitution.
Key specifications for 681150: Voltage in Volts and Current Type: 115.0 AC; Special Features: 0.5 HORSE POWER; Current Rating: 6.000 AMPERES. 2 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.