The Spark Gap, cataloged under National Stock Number 6625-00-239-6934, 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 Siemens Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6625-00-239-6934 |
| Primary Part Number | B2B800 |
| Item Name | Spark Gap |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Siemens Corp |
| Status | ACTIVE |
| Overall Diameter | 0.380 INCHES NOMINAL IN |
| Gap Type | NONROTARY |
| Mounting Configuration | SOLDERABLE WIRE LEADS |
| 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 | JN |
| Weight | 0.0050 lbs |
| Cube | 0.0004 cu ft |
| Part Number | Manufacturer |
|---|---|
| B2B800 PRIMARY | Siemens Corp (USA) |
| Reference | Meaning |
|---|---|
| 20-37110-4 | 5/2 Secondary reference U.S. Government activity |
| 226-7178P5 | C/1 Advisory reference — outside the item-of-supply concept Klein Marine Systems Inc |
NSN 6625-00-239-6934 is a Spark Gap, manufactured by Siemens Corp, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-239-6934 has 1 manufacturer part number on file: B2B800 (Siemens Corp).
Key specifications for B2B800: Overall Diameter: 0.380 INCHES NOMINAL IN; Gap Type: NONROTARY; Overall Length: 0.335 INCHES NOMINAL IN; Mounting Configuration: SOLDERABLE WIRE LEADS. 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.