The Circuit Card Assembly, cataloged under National Stock Number 5998-01-087-7802, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Spectral Dynamics Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-087-7802 |
| Primary Part Number | 21981 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Spectral Dynamics Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | YH |
| Weight | 1.0000 lbs |
| Cube | 0.1148 cu ft |
| Part Number | Manufacturer |
|---|---|
| 21981 PRIMARY | Spectral Dynamics Inc (USA) |
| Reference | Meaning |
|---|---|
| 4831 ITEM 10 | 5/2 Secondary reference U.S. Government activity |
| 21981 | 5/9 Secondary reference U.S. Government activity |
NSN 5998-01-087-7802 is a Circuit Card Assembly, manufactured by Spectral Dynamics Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-087-7802 has 1 manufacturer part number on file: 21981 (Spectral Dynamics Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-095-4013, 5331-01-266-1517. Verify interchangeability with system specifications before substitution.
Key specifications for 21981: Special Features: PRINTED WIRING BOARD 1,CAPACITOR 12,CHOKE 1,DIODE 5,RESISTOR 25,MICROCIRCUIT 15,CRYSTAL 1. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5998-01-087-7802 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.