The Delay Line, cataloged under National Stock Number 5999-01-110-6800, 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 Cae Usa Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-110-6800 |
| Primary Part Number | A638-1 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Pulse Rise Time Rating | 4.0 NANOSECONDS NS |
| Signal Delay Method | LUMPED CONSTANT |
| Section Delay Time | 60.000 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Mounting Facility Quantity | 16 |
| Inclosure Type | HERMETICALLY SEALED |
| Body Style | RECTANGULAR |
| Body Width | 0.450 INCHES MAXIMUM IN |
| Individual Section Quantity | 1 |
| Body Length | 0.890 INCHES MAXIMUM IN |
| Mounting Facility | TERMINAL |
| Terminal Type and Quantity | 16 PIN |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Body Depth | 0.375 INCHES MAXIMUM IN |
| Voltage Rating | 4.500 VOLTS MINIMUM AND 5.500 VOLTS MAXIMUM |
| 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 | X |
| Weight | 0.0300 lbs |
| Cube | 0.0030 cu ft |
| Part Number | Manufacturer |
|---|---|
| DDU-3-1060 | Data Delay Devices (USA) |
| A638-1 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| A638-1 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5999-01-110-6800 is a Delay Line, manufactured by Cae Usa Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-110-6800 has 2 manufacturer part numbers on file: DDU-3-1060 (Data Delay Devices), A638-1 (Cae Usa Inc.).
Key specifications for A638-1: Pulse Rise Time Rating: 4.0 NANOSECONDS NS; Signal Delay Method: LUMPED CONSTANT; Section Delay Time: 60.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Mounting Facility Quantity: 16. 14 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 5999-01-110-6800 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.