The Module,circuit Switch, cataloged under National Stock Number 7025-00-421-4991, is classified within Federal Supply Class 7025 (Information Technology Input/output and Storage Devices) of the General Purpose ADP Equipment group. The manufacturer of record is Ampex Data Systems Corp Computer Products Div. 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-00-421-4991 |
| Primary Part Number | 586-531 |
| Item Name | Module,circuit Switch |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Ampex Data Systems Corp Computer Products Div |
| Status | ACTIVE |
| General Characteristics Item Description | 0.680 IN. LG,0.640 IN. W,0.500 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 0.1000 lbs |
| Cube | 0.0782 cu ft |
| Part Number | Manufacturer |
|---|---|
| 586-531 PRIMARY | Ampex Data Systems Corp Computer Products Div (USA) |
NSN 7025-00-421-4991 is a Module,circuit Switch, manufactured by Ampex Data Systems Corp Computer Products Div, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-00-421-4991 has 1 manufacturer part number on file: 586-531 (Ampex Data Systems Corp Computer Products Div).
3 possible matches (shared part number, not a government interchangeability claim): 5310-00-883-2273, 1560-01-603-2676, 1560-01-669-8063. Verify interchangeability with system specifications before substitution.
Key specifications for 586-531: General Characteristics Item Description: 0.680 IN. LG,0.640 IN. W,0.500 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.
NSN 7025-00-421-4991 has DEMIL Code Q. 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.