The Receiver-Transmitter Subassembly, cataloged under National Stock Number 5821-01-515-3748, is classified within Federal Supply Class 5821 (Radio and Television Communication Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Hewlett-Packard Company. 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 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 | 5821-01-515-3748 |
| Primary Part Number | E1442A |
| Item Name | Receiver-Transmitter Subassembly |
| FSC / FSG | 5821 / 58 — Radio and Television Communication Equipment, Airborne |
| Manufacturer | Hewlett-Packard Company |
| Status | ACTIVE |
| Component Type and Quantity | 1 MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| E1442A PRIMARY | Hewlett-Packard Company (USA) |
NSN 5821-01-515-3748 is a Receiver-Transmitter Subassembly, manufactured by Hewlett-Packard Company, classified under FSC 5821, Radio and Television Communication Equipment, Airborne. Status: active.
NSN 5821-01-515-3748 has 1 manufacturer part number on file: E1442A (Hewlett-Packard Company).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-516-7814. Verify interchangeability with system specifications before substitution.
Key specifications for E1442A: Component Type and Quantity: 1 MODULE; Part Name Assigned by Controlling Agency: 64 CHANEL SWITCH MODULE WITH OPTION 010; End Item Identification: ANALOG TEST STATION. 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 5821-01-515-3748 has DEMIL Code B. 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.