The Spark Gap, cataloged under National Stock Number 6625-00-407-8763, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-407-8763 |
| Primary Part Number | G300171-6 |
| Item Name | Spark Gap |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| FSC Application Data | RADAR,NONAIRBORNE EXCEPT FIRE CONTROL AND GUIDED MISSILE |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Gap Type | NONROTARY |
| Mounting Configuration | TERMINAL MTD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Part Number | Manufacturer |
|---|---|
| G300171-6 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| SG6.0 W/END CAPS PRIMARY | C P Clare Corporation (USA) |
| TG50 | High Energy Devices, Llc (USA) |
| Reference | Meaning |
|---|---|
| SG6.0 W/END CAPS | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| TG-50 | 5/9 Secondary reference C P Clare Corporation |
NSN 6625-00-407-8763 is a Spark Gap, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-407-8763 has 3 manufacturer part numbers on file: G300171-6 (L3harris Technologies, Inc Div Space & Airborne Systems), SG6.0 W/END CAPS (C P Clare Corporation), TG50 (High Energy Devices, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6645-01-353-6863, 6920-01-594-9967. Verify interchangeability with system specifications before substitution.
Key specifications for G300171-6: FSC Application Data: RADAR,NONAIRBORNE EXCEPT FIRE CONTROL AND GUIDED MISSILE; Overall Diameter: 0.500 INCHES NOMINAL IN; Gap Type: NONROTARY; Overall Length: 3.000 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6625-00-407-8763 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.