The Operator,valve, cataloged under National Stock Number 4810-01-207-1128, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Dover Resources, Inc. Div Norriseal. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-207-1128 |
| Primary Part Number | 58320A424 |
| Item Name | Operator,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Dover Resources, Inc. Div Norriseal |
| Status | ACTIVE |
| General Characteristics Item Description | MANUAL OPERATION; CAST ALUMINUM CASE,ANODIZED; BRONZE SECTOR GEAR; 90 DEG ROTATION COUNTER CLOCKWISE; 6.000 IN. LG; 5.500 IN. W; 3.334 IN. H IN |
| 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 |
|---|---|
| 58320A424 PRIMARY | Dover Resources, Inc. Div Norriseal (USA) |
| Reference | Meaning |
|---|---|
| 55750C311 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4810-01-207-1128 is a Operator,valve, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-207-1128 has 1 manufacturer part number on file: 58320A424 (Dover Resources, Inc. Div Norriseal).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-425-6694. Verify interchangeability with system specifications before substitution.
Key specifications for 58320A424: General Characteristics Item Description: MANUAL OPERATION; CAST ALUMINUM CASE,ANODIZED; BRONZE SECTOR GEAR; 90 DEG ROTATION COUNTER CLOCKWISE; 6.000 IN. LG; 5.500 IN. W; 3.334 IN. H IN. 1 specification is 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.