The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-294-4698, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-294-4698 |
| Primary Part Number | 77D620111P1 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN |
| Body Height | 4.570 INCHES MINIMUM AND 4.630 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 2.220 INCHES MINIMUM AND 2.380 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 2 PRIMARY AND 9 SECONDARY SINGLE COMPONENT |
| Body Length | 5.470 INCHES MINIMUM AND 5.530 INCHES MAXIMUM IN |
| Winding Operating Current | 4.6 AMPERES AC MAXIMUM SINGLE COMPONENT ALL PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 2.4 KILOHERTZ MINIMUM AND 4.5 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 4 TURRET AND 18 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77D620111P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 7345301G1 | Lockheed Martin Corporation Div Rms (USA) |
| 77D620111P001 | Lockheed Martin Corporation Div Rms (USA) |
| RX01317 | Ems Development Corporation Dba Ems Development Corp (USA) |
| 980901 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
NSN 5950-01-294-4698 is a Transformer,audio Frequency, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-294-4698 has 5 manufacturer part numbers on file: 77D620111P1 (Lockheed Martin Corporation Div Rms), 7345301G1 (Lockheed Martin Corporation Div Rms), 77D620111P001 (Lockheed Martin Corporation Div Rms), RX01317 (Ems Development Corporation Dba Ems Development Corp), 980901 (Electronic Transformer Corp Div Electronic Transformer Corporation).
Key specifications for 77D620111P1: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP; Body Width: 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM IN. 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.
NSN 5950-01-294-4698 has DEMIL Code Q. 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.