The Spark Gap, cataloged under National Stock Number 6625-01-253-5598, 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 Us Army Aviation and Missile Command. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6625-01-253-5598 |
| Primary Part Number | 11455741 |
| Item Name | Spark Gap |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Overall Diameter | 0.520 INCHES MAXIMUM IN |
| Gap Type | NONROTARY |
| 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 | 0.0250 lbs |
| Cube | 0.0028 cu ft |
| Part Number | Manufacturer |
|---|---|
| 11455741 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 11455741 | 5/1 Secondary reference U.S. Government activity |
| 11455741 | 5/9 Secondary reference Teledyne Reynolds, Inc. Dba Electronic Products Div Electronic Products Division |
| 11455741 | 5/9 Secondary reference Joslyn Products |
NSN 6625-01-253-5598 is a Spark Gap, manufactured by Us Army Aviation and Missile Command, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-253-5598 has 1 manufacturer part number on file: 11455741 (Us Army Aviation and Missile Command).
Key specifications for 11455741: FSC Application Data: TEST SET,ELECT. EQUIP.; Overall Diameter: 0.520 INCHES MAXIMUM IN; Gap Type: NONROTARY; Overall Length: 0.540 INCHES MAXIMUM IN. 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.