The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-169-8958, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-169-8958 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Document Type | MILITARY STANDARD |
| Flange Quantity | 4 |
| Flange Type | COVER |
| Diameter | 5.313 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.257 INCHES MAXIMUM IN |
| Identification Designator | TYPEUG53/U |
| Flange Connecting Hole Spacing | SPACED ON 4.750 IN. DIA BOLT CIRCLE IN |
| Document Identification | MIL-F-3922 |
| Flange Connection Facility Quantity | 8 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 668892-2 | 5/9 Secondary reference U.S. Government activity |
| 668892-2 | C/1 Advisory reference — outside the item-of-supply concept Atlantic Microwave Corporation Div Cobham Electronic Systems |
| H284DB7 | 5/2 Secondary reference U.S. Government activity |
| 668892-2 | 5/9 Secondary reference U.S. Government activity |
| 668892-2 | 3/2 Design control — primary reference U.S. Government activity |
| 668892-4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5985-00-169-8958 is a Isolator,radio Frequency Reflect, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-169-8958: Overall Height: 8.000 INCHES MAXIMUM IN; Document Type: MILITARY STANDARD; Flange Quantity: 4; Flange Type: COVER. 9 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 5985-00-169-8958 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.