The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-159-7410, 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 Frontgrade Technologies Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-159-7410 |
| Primary Part Number | 338086 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Document Type | MILITARY SPECIFICATION |
| Length | 1.255 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Flange Type | COVER |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL IN |
| Identification Designator | UG-51/U |
| Frequency Range Rating | +7.75 TO 8.40 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 1.350 IN. BY 1.475 IN. MTG CTRS IN |
| Document Identification | MIL-F-3922 |
| Flange Connection Facility Quantity | 4 |
| Width | 0.630 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 338086 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 355-0454-420 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 355-0454-420 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| I-2193L | 5/9 Secondary reference U.S. Government activity |
| 338086 | 5/9 Secondary reference Atlantic Microwave Corporation Div Cobham Electronic Systems |
| 338086 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-159-7410 is a Isolator,radio Frequency Reflect, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-159-7410 has 1 manufacturer part number on file: 338086 (Frontgrade Technologies Inc.).
Key specifications for 338086: Overall Height: 1.750 INCHES MAXIMUM IN; Document Type: MILITARY SPECIFICATION; Length: 1.255 INCHES NOMINAL IN; Flange Quantity: 2. 11 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.
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.