The Spark Gap, cataloged under National Stock Number 5985-00-010-7649, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-010-7649 |
| Item Name | Spark Gap |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | RADAR,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| Gap Type | NONROTARY |
| Nondefinitive Spec/std Data | 1801430 DRAWING NUMBER |
| Mounting Configuration | SIX 0.169 IN. DIA HOLES SPACED 60 DEG APART ON 1.968 IN. RADIUS IN |
| Reference Number Differentiating Characteristics | ZZZT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1801430 | 5/1 Secondary reference Northrop Grumman Systems Corporation |
| GP12B | 3/1 Design control — primary reference U.S. Government activity |
NSN 5985-00-010-7649 is a Spark Gap, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-010-7649: FSC Application Data: RADAR,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE; Overall Diameter: 4.250 INCHES NOMINAL IN; Gap Type: NONROTARY; Overall Length: 3.125 INCHES NOMINAL IN. 6 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.
NSN 5985-00-010-7649 has DEMIL Code B. 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.