The Cable Assembly,radio Frequency, cataloged under National Stock Number 5995-00-404-7899, is classified within Federal Supply Class 5995 (Cable, Cord, and Wire Assemblies: Communication Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 24 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5995-00-404-7899 |
| Primary Part Number | 2661978 |
| Item Name | Cable Assembly,radio Frequency |
| FSC / FSG | 5995 / 59 — Cable, Cord, and Wire Assemblies: Communication Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Round Conductor Size | 13 AWG SINGLE CONDUCTOR |
| Termination Type | CONNECTOR PLUG BOTH ENDS SINGLE CONDUCTOR |
| Electrical Resistance | 50.00 OHMS IMPEDANCE |
| Precious Material | SILVER |
| Terminal Manufacturer Identifying Reference Number | M39012/01-0005 FIRST END ALL CONDUCTORS |
| Terminal Manufacturer Identifying Reference Number | UG-559CU SECOND END ALL CONDUCTORS |
| Conductor Quantity | 1 |
| Strand Awg Size Per Conductor | 21 SINGLE CONDUCTOR |
| Style Designator | INTERNAL ANGLE AND INTERNAL STRAIGHT CONNECTOR |
| Precious Material and Weight | 0.040 SILVER GRAINS, TROY |
| Terminal Commercial and Government Entity Code | 81349 BOTH ENDS SINGLE CONDUCTOR |
| Cross-Sectional Shape Style | ROUND |
| Conductor Form | STRANDED SINGLE CONDUCTOR |
| Strand Quantity Per Conductor | 7 SINGLE CONDUCTOR |
| Conductor Arrangement and Quantity | 1 COAXIAL |
| Color | BLACK FIRST POSITION COVER SINGLE CONDUCTOR |
| Precious Material and Location | CONDUCTOR SILVER |
| Cross Section Outside Diameter | 0.425 INCHES NOMINAL IN |
| Material | COPPER FIRST POSITION CONDUCTOR SINGLE CONDUCTOR |
| Material | RESIN SYNTHETIC FOURTH POSITION JACKET SINGLE CONDUCTOR |
| Material | COPPER SECOND POSITION SHIELD BRAID METALLIC SINGLE CONDUCTOR |
| Material | PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR |
| Material | SILVER THIRD POSITION COATING SINGLE CONDUCTOR |
| Material | SILVER SECOND POSITION CONDUCTOR SINGLE CONDUCTOR |
| 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 |
|---|---|
| 2661978 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2661978 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5995-00-404-7899 is a Cable Assembly,radio Frequency, manufactured by Naval Sea Systems Command, classified under FSC 5995, Cable, Cord, and Wire Assemblies: Communication Equipment. Status: active.
NSN 5995-00-404-7899 has 1 manufacturer part number on file: 2661978 (Naval Sea Systems Command).
Key specifications for 2661978: Round Conductor Size: 13 AWG SINGLE CONDUCTOR; Termination Type: CONNECTOR PLUG BOTH ENDS SINGLE CONDUCTOR; Electrical Resistance: 50.00 OHMS IMPEDANCE; Overall Length: 39.500 INCHES IN. 24 specifications are 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 5995-00-404-7899 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.