The Delay Line Set, cataloged under National Stock Number 5999-00-970-4969, 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 U S Dept of Transportation Federal Aviation Administration. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-970-4969 |
| Primary Part Number | FA4042D |
| Item Name | Delay Line Set |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | C |
| Part Number | Manufacturer |
|---|---|
| CA4042D | U S Dept of Transportation Federal Aviation Administration (USA) |
| 4021-5001G5 | Raytheon Company Dba Raytheon Co (USA) |
| FA4042D PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| FA7042D | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| 4021-5001G5 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5999-00-970-4969 is a Delay Line Set, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-970-4969 has 4 manufacturer part numbers on file: CA4042D (U S Dept of Transportation Federal Aviation Administration), 4021-5001G5 (Raytheon Company Dba Raytheon Co), FA4042D (U S Dept of Transportation Federal Aviation Administration), FA7042D (U S Dept of Transportation Federal Aviation Administration).
Key specifications for FA4042D: Special Features: SECTION D OF TRIPLE SECTION DELAY LINE ASSEMBLY; REFERENCE DATA: PART OF UNIT CA-4042, INSTRUCTION BOOK, ARSR-1D/E/F, VOL 5, SEC 10, PG 10-214; End Item Identification: AIR ROUTE SURVEILLANCE RADAR 1,ARSR1, CA-4042 DELAY LINE ASSEMBLY. 0 specifications are documented in the U.S. Government catalog.
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 5999-00-970-4969 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.