The Accessory Kit,antenna, cataloged under National Stock Number 5985-01-384-1840, 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 Shakespeare Company, Llc Div Military Electronics. 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-384-1840 |
| Primary Part Number | 4256 |
| Item Name | Accessory Kit,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Shakespeare Company, Llc Div Military Electronics |
| Status | ACTIVE |
| Component Document Origin | INDUSTRIAL |
| End Item Name | ATENNA |
| Document Source | 23657 |
| 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 |
|---|---|
| 4256 PRIMARY | Shakespeare Company, Llc Div Military Electronics (USA) |
NSN 5985-01-384-1840 is a Accessory Kit,antenna, manufactured by Shakespeare Company, Llc Div Military Electronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-384-1840 has 1 manufacturer part number on file: 4256 (Shakespeare Company, Llc Div Military Electronics).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-429-6357, 3950-01-630-0732. Verify interchangeability with system specifications before substitution.
Key specifications for 4256: Component Document Origin: INDUSTRIAL; End Item Name: ATENNA; Document Source: 23657. 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 5985-01-384-1840 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.