The Circuit Card Assembly, cataloged under National Stock Number 5998-01-131-8939, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3 Technologies, Inc. Div Communication Systems-West. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-131-8939 |
| Primary Part Number | 21920 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Circuit Card Assembly |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-West |
| Status | ACTIVE |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Criticality Code Justification | CBBL |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Criticality Code Justification | CBBL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | T |
| Unit of Issue | EA |
| SMR Code | ZT |
| Weight | 1.0000 lbs |
| Cube | 0.1943 cu ft |
| Part Number | Manufacturer |
|---|---|
| 21920 PRIMARY | L3 Technologies, Inc. Div Communication Systems-West (USA) |
NSN 5998-01-131-8939 is a Circuit Card Assembly, manufactured by L3 Technologies, Inc. Div Communication Systems-West, classified under FSC 5998 (Circuit Card Assembly). Status: active.
NSN 5998-01-131-8939 has 1 cross-referenced part number: 21920 (L3 Technologies, Inc. Div Communication Systems-West).
There are 6 known substitutes for 5998-01-131-8939: 4730-00-172-0010, 4730-00-424-3368, 4720-00-533-3476 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21920: Features Provided: ELECTROSTATIC SENSITIVE; Special Features: CAPACITOR 12, PRINTED WIRING BOARD 1, MICROCIRCUIT 7, RELAY 4, TRANSISTOR 1, DIODE 3, RESISTOR 28, CONNECTOR 5; PLUG-IN; Criticality Code Justification: CBBL; End Item Identification: 6625-01-112-8136. 8 total characteristics are documented in the Federal Logistics Information System.