The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-021-4877, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-021-4877 |
| Primary Part Number | 77C712672P1 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Controlling Agency | MILITARY SPECIFICATION |
| Trade Designation | CONNECTOR,PLUG,ELECTRICAL |
| Identifying Number | MIL-C-39012 TYPE NO. |
| Connector Quantity | 2 |
| Frequency Range Rating | +3000.0 TO 3600.0 MEGAHERTZ |
| 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 |
|---|---|
| I37-0300 | Stellant Systems Inc (USA) |
| 77C712672P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| I37-0300 | C/1 Advisory reference — outside the item-of-supply concept Narda Microwave Corp the Western Operations |
NSN 5985-01-021-4877 is a Isolator,radio Frequency Reflect, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-021-4877 has 2 manufacturer part numbers on file: I37-0300 (Stellant Systems Inc), 77C712672P1 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C712672P1: Overall Height: 0.780 INCHES MAXIMUM IN; Controlling Agency: MILITARY SPECIFICATION; Trade Designation: CONNECTOR,PLUG,ELECTRICAL; Identifying Number: MIL-C-39012 TYPE NO.. 5 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 5985-01-021-4877 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.