The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-679-3310, 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 Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-679-3310 |
| Primary Part Number | 7072525P1 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| FSC Application Data | RADAR2SET,5NONAIRBORNE,EXCEPTAFIRE8CONTROL2AND0GUIDED MISSILES |
| Document Type | MILITARY SPECIFICATION |
| Flange Quantity | 1 |
| Flange Type | COVER |
| Flange Type | CHOKE |
| Joint Electronics Type Designation System Item Type Number | TYPE NO. CU-492A/FPS-6A A |
| Diameter | 5.310 INCHES NOMINAL IN |
| Joint Electronics Type Designation System Item Name | ISOLATOR,RADIO FREQUENCY REFLECTION |
| Flange Connecting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Identification Designator | TYPE NO. UG-53/U,TYPE NO. UG-54A/U A |
| Frequency Range Rating | +2700.0 TO 2900.0 MEGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 4.760 IN. DIA MTGCENTERS,SPACED ON 4.760 IN. DIA MTG CENTERS IN |
| Document Identification | MIL-F-3922 |
| Flange Connection Facility Quantity | 8 |
| Flange Connecting Hole Thread Size | 1/4-20 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-679-3310 is a Isolator,radio Frequency Reflect, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-679-3310 has 2 manufacturer part numbers on file: 7072525P1 (Lockheed Martin Corporation Div Rms), 7072525P1 (General Electric Company).
Key specifications for 7072525P1: FSC Application Data: RADAR2SET,5NONAIRBORNE,EXCEPTAFIRE8CONTROL2AND0GUIDED MISSILES; Document Type: MILITARY SPECIFICATION; Flange Quantity: 1; Flange Type: COVER. 16 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 5985-00-679-3310 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.