The Spark Gap, cataloged under National Stock Number 5985-01-211-9251, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-211-9251 |
| Primary Part Number | 11436861-2 |
| Item Name | Spark Gap |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Overall Diameter | 4.225 INCHES MINIMUM AND 4.275 INCHES MAXIMUM IN |
| Gap Type | NONROTARY |
| Mounting Configuration | 6 HOLES 0.186 IN.MIN DIA,0.192 IN. MAX DIA ON 3.937 DIA BC IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11436861-2 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 11436861-2 | Excelitas Technologies Corp. Dba Perkinelmer Inc (USA) |
| Reference | Meaning |
|---|---|
| 11436861 | 3/1 Design control — primary reference Us Army Aviation and Missile Command |
| XGP-15B-50R | 5/9 Secondary reference Excelitas Technologies Corp. Dba Perkinelmer Inc |
NSN 5985-01-211-9251 is a Spark Gap, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-211-9251 has 2 manufacturer part numbers on file: 11436861-2 (Us Army Aviation and Missile Command), 11436861-2 (Excelitas Technologies Corp. Dba Perkinelmer Inc).
Key specifications for 11436861-2: Overall Diameter: 4.225 INCHES MINIMUM AND 4.275 INCHES MAXIMUM IN; Gap Type: NONROTARY; Overall Length: 3.380 INCHES MINIMUM AND 3.440 INCHES MAXIMUM IN; Mounting Configuration: 6 HOLES 0.186 IN.MIN DIA,0.192 IN. MAX DIA ON 3.937 DIA BC 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.
NSN 5985-01-211-9251 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.