The Spark Gap, cataloged under National Stock Number 6625-00-902-0546, 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 High Energy Devices, Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-902-0546 |
| Primary Part Number | TG131 |
| Item Name | Spark Gap |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | High Energy Devices, Llc |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT GUNNERY FIRE CONTROL SYSTEM |
| Overall Diameter | 1.156 INCHES NOMINAL IN |
| Gap Type | NONROTARY |
| Mounting Configuration | TWO NO. 8/0.164 IN./-32 THD MTD HOLES SPACED 3.188 IN. C TO C IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| 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 |
|---|---|
| TG131 PRIMARY | High Energy Devices, Llc (USA) |
| Reference | Meaning |
|---|---|
| TG131 | 5/9 Secondary reference U.S. Government activity |
| TG131 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
NSN 6625-00-902-0546 is a Spark Gap, manufactured by High Energy Devices, Llc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-902-0546 has 1 manufacturer part number on file: TG131 (High Energy Devices, Llc).
Key specifications for TG131: FSC Application Data: AIRCRAFT GUNNERY FIRE CONTROL SYSTEM; Overall Diameter: 1.156 INCHES NOMINAL IN; Gap Type: NONROTARY; Overall Length: 4.000 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 6625-00-902-0546 has DEMIL Code D. 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.