The Attenuator,variable, cataloged under National Stock Number 5985-00-105-2943, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Kay Elemetrics Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-105-2943 |
| Primary Part Number | 439A |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Kay Elemetrics Corporation |
| Status | ACTIVE |
| Body Style | COAXIAL TYPE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.1 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 439A PRIMARY | Kay Elemetrics Corporation (USA) |
| 54501-1 | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| 054501-0001 | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
NSN 5985-00-105-2943 is a Attenuator,variable, manufactured by Kay Elemetrics Corporation, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-105-2943 has 3 cross-referenced part numbers: 439A (Kay Elemetrics Corporation), 54501-1 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), 054501-0001 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).
There are 3 known substitutes for 5985-00-105-2943: 5910-00-280-7545, 5805-01-073-8770, 4220-01-237-3250. Verify interchangeability with system specifications before substitution.
Key specifications for 439A: Overall Length: 6.000 INCHES NOMINAL IN; Overall Width: 1.312 INCHES NOMINAL IN; End Item Identification: INSTRUMENT LANDING SYSTEM,ILS,CONTRACT FATQUA-3880; Body Style: COAXIAL TYPE. 7 total characteristics are documented in the Federal Logistics Information System.