The Attenuator,mi-Iam, cataloged under National Stock Number 5985-01-630-5871, 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 Vicor Corp Dba Vicorpowercom. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-630-5871 |
| Primary Part Number | MI-A22-IU-B1 |
| Item Name | Attenuator,mi-Iam |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Vicor Corp Dba Vicorpowercom |
| Status | ACTIVE |
| 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 |
|---|---|
| MI-A22-IU-B1 PRIMARY | Vicor Corp Dba Vicorpowercom (USA) |
| Reference | Meaning |
|---|---|
| MI-A22-IU-BI | 5/9 Secondary reference Vicor Corp Dba Vicorpowercom |
NSN 5985-01-630-5871 is a Attenuator,mi-Iam, manufactured by Vicor Corp Dba Vicorpowercom, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-630-5871 has 1 manufacturer part number on file: MI-A22-IU-B1 (Vicor Corp Dba Vicorpowercom).
Key specifications for MI-A22-IU-B1: Overall Height: 2.10 INCHES NOMINAL IN; Overall Length: 2.28 INCHES NOMINAL IN; Overall Width: 0.72 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: INPUT ATTENUATOR MODULES. 0 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.