The Modem,adp,special, cataloged under National Stock Number 7021-01-355-6553, is classified within Federal Supply Class 7021 (Information Technology Central Processing Unit (cpu, Computer), Digital) of the General Purpose ADP Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 7021-01-355-6553 |
| Item Name | Modem,adp,special |
| FSC / FSG | 7021 / 70 — Information Technology Central Processing Unit (cpu, Computer), Digital |
| 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 |
| Reference | Meaning |
|---|---|
| 26314 | 5/9 Secondary reference General Dynamics Mission Systems, Inc. Dba Gdms |
| 26314 | 3/9 Design control — primary reference U.S. Government activity |
NSN 7021-01-355-6553 is a Modem,adp,special, classified under FSC 7021, Information Technology Central Processing Unit (cpu, Computer), Digital. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1005-01-588-0654. Verify interchangeability with system specifications before substitution.
Key specifications for 7021-01-355-6553: Special Features: STAND ALONE; 230V V. 0 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.