The Delay Line, cataloged under National Stock Number 5999-01-009-1503, 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 Kappa Technologies Inc.. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-009-1503 |
| Primary Part Number | 20D409 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Kappa Technologies Inc. |
| Status | ACTIVE |
| Pulse Rise Time Rating | 150.0 NANOSECONDS NS |
| Signal Delay Method | LUMPED CONSTANT |
| Section Delay Time | 2.000 MICROSECONDS NOMINAL SINGLE SECTION US |
| Mounting Facility Quantity | 2 |
| Output Impedance Rating | 550.000 OHMS |
| Body Style | RECTANGULAR |
| Body Width | 1.062 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN |
| Mounting Provision Arrangement Style | 2 POSITION IN-LINE |
| Individual Section Quantity | 1 |
| Segment Quantity Per Section | 2 SINGLE SECTION |
| Segment Delay Time | 1.805 MICROSECONDS NOMINAL SINGLE SECTION 2ND SEGMENT US |
| Segment Delay Time | 195.000 NANOSECONDS NOMINAL SINGLE SECTION 1ST SEGMENT NS |
| Body Length | 3.375 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN |
| Input Impedance Rating | 550.000 OHMS |
| Terminal Type and Quantity | 5 WIRE LEADS |
| Attenuation in Decibels | 3.000 |
| Operating Temp Range | -25.0 TO 105.0 CELSIUS DEGC |
| Thread Class | 2A A |
| Body Depth | 0.437 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Size and Series/type Designator | 0.112-40 UNIFIED NATIONAL COARSE (UNC) |
| Longest Horizontal Distance Between Mounting Centers | 2.700 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 | 0.1200 lbs |
| Cube | 0.0141 cu ft |
| Part Number | Manufacturer |
|---|---|
| 247AS-00631-001 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 20D409 PRIMARY | Kappa Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 247ASC0631-001 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5999-01-009-1503 is a Delay Line, manufactured by Kappa Technologies Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-009-1503 has 2 manufacturer part numbers on file: 247AS-00631-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 20D409 (Kappa Technologies Inc.).
Key specifications for 20D409: Pulse Rise Time Rating: 150.0 NANOSECONDS NS; Signal Delay Method: LUMPED CONSTANT; Section Delay Time: 2.000 MICROSECONDS NOMINAL SINGLE SECTION US; Mounting Facility Quantity: 2. 21 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 5999-01-009-1503 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.