The Delay Line, cataloged under National Stock Number 5999-01-261-5442, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-261-5442 |
| Primary Part Number | 917AS6579-1 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Pulse Rise Time Rating | 4.0 NANOSECONDS NS |
| Signal Delay Method | LUMPED CONSTANT |
| Section Delay Time | 20.000 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Mounting Facility Quantity | 14 |
| Inclosure Type | HERMETICALLY SEALED |
| Output Impedance Rating | 50.000 OHMS |
| Body Style | RECTANGULAR |
| Body Width | 0.305 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 0.330 INCHES NOMINAL IN |
| Individual Section Quantity | 1 |
| Segment Quantity Per Section | 10 SINGLE SECTION |
| Delay Time Variation Method | TAPPED |
| Segment Delay Time | 2.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS |
| Body Length | 0.750 INCHES NOMINAL IN |
| Input Impedance Rating | 50.000 OHMS |
| Mounting Facility | PIN(S) |
| Terminal Type and Quantity | 14 PIN |
| Operating Temp Range | -37.0 TO 85.0 CELSIUS DEGC |
| Body Depth | 0.187 INCHES NOMINAL IN |
| 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 | J |
| Weight | 0.0200 lbs |
| Cube | 0.0020 cu ft |
| Part Number | Manufacturer |
|---|---|
| 917AS6579-1 | Raytheon Company (USA) |
| 917AS6579-1 | Raytheon Company Dba Raytheon Co (USA) |
| 917AS6579-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SP468 | Rhombus Industries Inc. Dba Rhombus Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 917AS6579-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5999-01-261-5442 is a Delay Line, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-261-5442 has 4 manufacturer part numbers on file: 917AS6579-1 (Raytheon Company), 917AS6579-1 (Raytheon Company Dba Raytheon Co), 917AS6579-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SP468 (Rhombus Industries Inc. Dba Rhombus Industries Inc).
Key specifications for 917AS6579-1: Pulse Rise Time Rating: 4.0 NANOSECONDS NS; Signal Delay Method: LUMPED CONSTANT; Section Delay Time: 20.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Mounting Facility Quantity: 14. 19 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 5999-01-261-5442 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.