The Coupler,transmission Line, cataloged under National Stock Number 5985-01-721-8263, 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 Infinite Electronics International, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-721-8263 |
| Primary Part Number | 90-50253-12 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Infinite Electronics International, Inc. |
| Status | ACTIVE |
| Unpackaged Unit Weight | 2.70 OUNCES NOMINAL OZ |
| Unit Type | TRANSMISSION LINE |
| 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 |
|---|---|
| 90-50253-12 PRIMARY | Infinite Electronics International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 90-50253-12 | 3/9 Design control — primary reference Infinite Electronics International, Inc. Dba Milestek |
NSN 5985-01-721-8263 is a Coupler,transmission Line, manufactured by Infinite Electronics International, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-721-8263 has 1 manufacturer part number on file: 90-50253-12 (Infinite Electronics International, Inc.).
Key specifications for 90-50253-12: Overall Height: 0.90 INCHES NOMINAL IN; Unpackaged Unit Weight: 2.70 OUNCES NOMINAL OZ; Unit Type: TRANSMISSION LINE; Special Features: DESCRIPTION: NON-TERMINATED SERIES; CONTRACT CONTROL NO.: FA850922C0008; LEGS: 12.00IN; BODY: 2.37IN IN. 2 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.