The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-275-0844, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-275-0844 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Document Type | MILITARY SPECIFICATION |
| Specification/standard Data | 81349-MIL-I-28791/1 GOVERNMENT SPECIFICATION |
| Connector Quantity | 3 |
| Frequency Range Rating | +4.0 TO 8.0 GIGAHERTZ |
| Document Identification | MIL-I-28791/1 |
| Test Data Document | 81349-MIL-I-28791 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-DTL-28791/1 | 4/1 Identification reference U.S. Government activity |
| M28791/1-021 | 2/2 Government specification standardization U.S. Government activity |
| MIL-I-28791/1 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-275-0844 is a Isolator,radio Frequency Reflect, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5985-01-277-8747, 5985-01-324-1327, 5985-01-360-3367. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-275-0844: Overall Height: 0.630 INCHES MAXIMUM IN; Document Type: MILITARY SPECIFICATION; Overall Length: 1.590 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN; Overall Width: 1.470 INCHES MAXIMUM IN. 6 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.