The Delay Line, cataloged under National Stock Number 5999-01-666-6060, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp. - Rf Signal Processing. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Delay Line |
| FSC / FSG | 5999 — Miscellaneous Electrical and Electronic Components (FSG 59) |
| Manufacturers | Microsemi Corp. - Rf Signal Processing (CAGE 6Y858) |
| Parameter | Value |
|---|---|
| NSN | 5999-01-666-6060 |
| Primary Part Number | 990843-1 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Microsemi Corp. - Rf Signal Processing |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| 990843-1 | Microsemi Corp. - Rf Signal Processing (USA) |
| Reference | Meaning |
|---|---|
| 990843-1 | 5/9 Secondary reference Qorvo Florida, Inc. Dba Qorvo Us |
| 990843 | D/9 Drawing number reference only U.S. Government activity |
| 990843-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-666-6060 is a Delay Line, manufactured by Microsemi Corp. - Rf Signal Processing, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-666-6060 has 1 manufacturer part number on file: 990843-1 (Microsemi Corp. - Rf Signal Processing).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5999-01-666-6060 has DEMIL Code Q. 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.