The Coupler,transmission Line, cataloged under National Stock Number 5985-01-313-5251, 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 Phoenix Logistics, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-313-5251 |
| Primary Part Number | D30056 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Phoenix Logistics, Llc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Unpackaged Unit Weight | 0.400 POUNDS NOMINAL LBS |
| Radio Frequency Rating | 75.0 KILOHERTZ MINIMUM AND 1000.0 KILOHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | FOUR HOLES 0.147 TO 0.157 IN. DIA THRU IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| D30056 | Phoenix Logistics, Llc (USA) |
| Reference | Meaning |
|---|---|
| D-500-0255-604 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| NH12678 | 3/2 Design control — primary reference U.S. Government activity |
| GC851CE3 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 5008853-001 | 5/9 Secondary reference Sci Technology, Inc |
| GC851CE3 | 5/9 Secondary reference Sci Technology, Inc |
| DBC-44105-B | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-313-5251 is a Coupler,transmission Line, manufactured by Phoenix Logistics, Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-313-5251 has 1 manufacturer part number on file: D30056 (Phoenix Logistics, Llc).
Key specifications for D30056: Overall Height: 1.230 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Unpackaged Unit Weight: 0.400 POUNDS NOMINAL LBS; Radio Frequency Rating: 75.0 KILOHERTZ MINIMUM AND 1000.0 KILOHERTZ MAXIMUM. 6 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.