The Coil,radio Frequency, cataloged under National Stock Number 5950-00-402-7670, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Autodyne Manufacturing Co Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-402-7670 |
| Primary Part Number | A8121 |
| Item Name | Coil,radio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| Inclosure Type | OPEN |
| Turn Quantity | 5 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | TERMINAL SINGLE GROUP |
| Adjustment Device Drive Type | SLOTTED SCREW SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Conductor Size | 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Coil Form Type | HOLLOW SINGLE COMPONENT |
| Body Length | 0.563 INCHES NOMINAL IN |
| Rating Method | WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Core Construction | POWDERED SINGLE COMPONENT |
| Terminal Type and Quantity | 2 WIRE LEAD |
| 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 |
|---|---|
| A8121 | Autodyne Manufacturing Co Inc (USA) |
| SM-B-651431 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| SM-B-651431 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
| SM-B-651431 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-402-7670 is a Coil,radio Frequency, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-402-7670 has 2 manufacturer part numbers on file: A8121 (Autodyne Manufacturing Co Inc), SM-B-651431 (L3harris Technologies, Inc. Dba Harris Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-617-0998. Verify interchangeability with system specifications before substitution.
Key specifications for A8121: Overall Height: 0.344 INCHES NOMINAL IN; Inclosure Type: OPEN; Turn Quantity: 5 SINGLE COMPONENT SINGLE WINDING; Mounting Method: TERMINAL SINGLE GROUP. 12 specifications are documented in the U.S. Government catalog.
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.