The Detector,radio Frequency, cataloged under National Stock Number 1285-00-304-5124, is classified within Federal Supply Class 1285 (Fire Control Radar Equipment, Except Airborne) of the Fire Control Equipment group. The manufacturer of record is Frequency Electronics Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1285-00-304-5124 |
| Primary Part Number | DM105D |
| Item Name | Detector,radio Frequency |
| FSC / FSG | 1285 / 12 — Fire Control Radar Equipment, Except Airborne |
| Manufacturer | Frequency Electronics Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Overall Diameter | 0.312 INCHES NOMINAL IN |
| Control Type | REMOTE |
| Frequency Per Channel | 0.1 GIGAHERTZ MINIMUM OPERATING CHANNEL |
| Frequency Per Channel | 0.5 GIGAHERTZ MAXIMUM OPERATING CHANNEL |
| Connection Type | AUDIO RECEPTACLE RIGHT SIDE |
| Connection Type | COAXIAL RECEPTACLE LEFT SIDE |
| Connection Contact Type and Quantity | 1 RECEPTACLE, COAXIAL INTERNAL AND 1 RECEPTACLE, AUDIO INTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | CYLINDRICAL |
| Average Life Measurement | NOT RATED |
| Environmental Protection | DUSTPROOF |
| Operating Temp Range | +0.0 TO 50.0 CELSIUS DEGC |
| Frequency Adjustment Type | CONTINUOUS |
| Installation Design | MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 562624 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| DM105D PRIMARY | Frequency Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 2921985 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| DM105D | 5/9 Secondary reference Fei Microwave Inc |
NSN 1285-00-304-5124 is a Detector,radio Frequency, manufactured by Frequency Electronics Inc, classified under FSC 1285, Fire Control Radar Equipment, Except Airborne. Status: active.
NSN 1285-00-304-5124 has 2 manufacturer part numbers on file: 562624 (Lockheed Martin Corporation Div Rms - Mitchel Field), DM105D (Frequency Electronics Inc).
1 possible match (shared part number, not a government interchangeability claim): 1660-00-453-3836. Verify interchangeability with system specifications before substitution.
Key specifications for DM105D: Circuit Construction Type: SOLID STATE; Inclosure Type: ENCASED; Overall Diameter: 0.312 INCHES NOMINAL IN; Control Type: REMOTE. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1285-00-304-5124 has DEMIL Code D. 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.