The Coil,radio Frequency, cataloged under National Stock Number 5950-01-333-9670, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thales Defense & Security Inc Dba Thales Communications Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 — Coils and Transformers (FSG 59) |
| Manufacturers | Thales Defense & Security Inc Dba Thales Communications Inc (CAGE 23386); Thales Uk Limited Secure Communications and Information Systems (CAGE K0162) |
| Parameter | Value |
|---|---|
| NSN | 5950-01-333-9670 |
| Primary Part Number | AT.81776 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Thales Defense & Security Inc Dba Thales Communications Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AT.81776 PRIMARY | Thales Defense & Security Inc Dba Thales Communications Inc (USA) |
| AT.81776 | Thales Uk Limited Secure Communications and Information Systems (GBR) |
| 81776 | Thales Uk Limited Secure Communications and Information Systems (GBR) |
| Reference | Meaning |
|---|---|
| 81776 | 5/9 Secondary reference Racal Communications Systems Ltd |
| AT.81776 | 5/9 Secondary reference Racal Communications Systems Ltd |
NSN 5950-01-333-9670 is a Coil,radio Frequency, manufactured by Thales Defense & Security Inc Dba Thales Communications Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-333-9670 has 3 manufacturer part numbers on file: AT.81776 (Thales Defense & Security Inc Dba Thales Communications Inc), AT.81776 (Thales Uk Limited Secure Communications and Information Systems), 81776 (Thales Uk Limited Secure Communications and Information Systems).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-661-6876. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.