The Coupler,test Set, cataloged under National Stock Number 6625-01-178-1053, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Air Force Metrology and Calibration. Government technical data includes 3 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-178-1053 |
| Primary Part Number | HPDC-2 |
| Item Name | Coupler,test Set |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Air Force Metrology and Calibration |
| Status | ACTIVE |
| Radio Frequency Rating | 10.0 MEGAHERTZ MINIMUM AND 300.0 MEGAHERTZ MAXIMUM |
| Power Rating | 0.0 WATTS MINIMUM AND 1000.0 WATTS MAXIMUM |
| Coupling Method | ELECTRONIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | VS |
| Weight | 10.0000 lbs |
| Cube | 0.8333 cu ft |
| Part Number | Manufacturer |
|---|---|
| HPDC-2 PRIMARY | Air Force Metrology and Calibration (USA) |
NSN 6625-01-178-1053 is a Coupler,test Set, manufactured by Air Force Metrology and Calibration, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-178-1053 has 1 manufacturer part number on file: HPDC-2 (Air Force Metrology and Calibration).
Key specifications for HPDC-2: Radio Frequency Rating: 10.0 MEGAHERTZ MINIMUM AND 300.0 MEGAHERTZ MAXIMUM; Power Rating: 0.0 WATTS MINIMUM AND 1000.0 WATTS MAXIMUM; Special Features: 4.4375 IN. LG; 1.3125 IN. LARGESTDIA; COUPLING FACTOR 50 DB; C/O 1 PREMIER MICROWAVE DIRECTIONAL COUPLER,MODEL 1986ALP; THERMISTOR MOUNT,6625-00-886-1955; 1 ADAPTER,5935-00-838-2722;1 TRANSIT CASE IN; Coupling Method: ELECTRONIC. 3 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.