The Multiplexer,digital, cataloged under National Stock Number 7025-01-508-0636, 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 Adtran Intl. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-508-0636 |
| Primary Part Number | ISU-512 |
| Item Name | Multiplexer,digital |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Adtran Intl |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 115.0 AC |
| Accessory Components and Quantity | ISU 512 1, 4 7FT. RJ-45 TELEPHONE CABLE 1, USER MANUAL 1 FT |
| Storage Temp Range | -4.0 TO 158.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JZ |
| Weight | 6.0000 lbs |
| Cube | 0.2934 cu ft |
NSN 7025-01-508-0636 is a Multiplexer,digital, manufactured by Adtran Intl, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-508-0636 has 2 manufacturer part numbers on file: ISU-512 (Adtran Intl), 1202086L1 (Adtran Intl).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-573-3634. Verify interchangeability with system specifications before substitution.
Key specifications for ISU-512: Overall Height: 2.500 INCHES NOMINAL IN; Voltage in Volts and Current Type: 115.0 AC; Overall Length: 10.500 INCHES NOMINAL IN; Overall Width: 7.875 INCHES NOMINAL IN. 3 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.