The Antenna Assembly, cataloged under National Stock Number 5985-01-685-7057, 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 Ewr Radar Systems Inc Dba Ewr Radar Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-685-7057 |
| Primary Part Number | PDRRASA-2-4 |
| Item Name | Antenna Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ewr Radar Systems Inc Dba Ewr Radar Systems |
| Status | ACTIVE |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | H |
| Part Number | Manufacturer |
|---|---|
| PDRRASA-2-4 PRIMARY | Ewr Radar Systems Inc Dba Ewr Radar Systems (USA) |
| Reference | Meaning |
|---|---|
| 0222843/SHEET 1 FIND ITEM 26 | D/9 Drawing number reference only Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific |
NSN 5985-01-685-7057 is a Antenna Assembly, manufactured by Ewr Radar Systems Inc Dba Ewr Radar Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-685-7057 has 1 manufacturer part number on file: PDRRASA-2-4 (Ewr Radar Systems Inc Dba Ewr Radar Systems).
Key specifications for PDRRASA-2-4: Special Features: CONTAINS HARDNESS CRITICAL FEATURES; Part Name Assigned by Controlling Agency: ANTENNA POST ASSEMBLY; Nuclear Hardness Critical Feature: HARDENED. 1 specification is 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 5985-01-685-7057 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.