The Delay Line, cataloged under National Stock Number 5999-01-025-7490, 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 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5999-01-025-7490 |
| Primary Part Number | 2440121-4 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| Signal Delay Method | INDUCTANCE |
| Section Delay Time | 500.000 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Mounting Facility Quantity | 8 |
| Output Impedance Rating | 50.000 OHMS |
| Body Style | RECTANGULAR |
| Body Width | 0.390 INCHES MAXIMUM IN |
| Mounting Provision Arrangement Style | FOUR POSITION RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 0.300 INCHES NOMINAL IN |
| Individual Section Quantity | 1 |
| Segment Quantity Per Section | 5 SINGLE SECTION |
| Delay Time Variation Method | TAPPED |
| Segment Delay Time | 100.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS |
| Body Length | 0.790 INCHES MAXIMUM IN |
| Input Impedance Rating | 50.000 OHMS |
| Mounting Facility | TERMINAL |
| Terminal Type and Quantity | 8 PIN |
| Frequency Rating | 1.000 MEGAHERTZ NOMINAL |
| Material | PLASTIC BODY |
| Body Depth | 0.400 INCHES MAXIMUM IN |
| Voltage Rating | 5.000 VOLTS NOMINAL |
| Longest Horizontal Distance Between Mounting Centers | 0.600 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 | Y |
| Weight | 0.0500 lbs |
| Cube | 0.0104 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2440121-4 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| TTLDL500 | 5/9 Secondary reference U.S. Government activity |
| 2440121-4 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| TTLDL500MX | 5/2 Secondary reference U.S. Government activity |
NSN 5999-01-025-7490 is a Delay Line, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-025-7490 has 1 manufacturer part number on file: 2440121-4 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
Key specifications for 2440121-4: Signal Delay Method: INDUCTANCE; Section Delay Time: 500.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Mounting Facility Quantity: 8; Output Impedance Rating: 50.000 OHMS. 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 5999-01-025-7490 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.