The Circuit Card Assembly, cataloged under National Stock Number 5998-01-087-7799, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Spectral Dynamics Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-087-7799 |
| Primary Part Number | 21991 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Circuit Card Assembly |
| Manufacturer | Spectral Dynamics Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | 00 |
| Unit of Issue | EA |
| SMR Code | VH |
| Part Number | Manufacturer |
|---|---|
| 21991 | Meggitt (orange County), Inc. (USA) |
| 4831 ITEM 15 | Meggitt (orange County), Inc. (USA) |
| 21991 PRIMARY | Spectral Dynamics Inc (USA) |
NSN 5998-01-087-7799 is a Circuit Card Assembly, manufactured by Spectral Dynamics Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.
NSN 5998-01-087-7799 has 3 cross-referenced part numbers: 21991 (Meggitt (orange County), Inc.), 4831 ITEM 15 (Meggitt (orange County), Inc.), 21991 (Spectral Dynamics Inc).
There are 4 known substitutes for 5998-01-087-7799: 5365-00-033-2530, 4320-00-334-4146, 5930-01-171-5543 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21991: Special Features: PRINTED WIRING BOARD 1,CAPACITOR 1,DIODE 7,DISPLAY 4,RESISTOR 7,MICROCIRCUIT 6; Special Features: PRINTED WIRING BOARD 1,CAPACITOR 1,DIODE 7,DISPLAY 4,RESISTOR 7,MICROCIRCUIT 6. 2 total characteristics are documented in the Federal Logistics Information System.