The Delay Line, cataloged under National Stock Number 5999-01-158-4530, 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 Rhombus Industries Inc. Dba Rhombus Industries Inc. Government technical data includes 8 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-158-4530 |
| Primary Part Number | SP-640 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Rhombus Industries Inc. Dba Rhombus Industries Inc |
| Status | ACTIVE |
| Signal Delay Method | INDUCTANCE |
| Body Style | RECTANGULAR |
| Body Width | 0.320 INCHES NOMINAL IN |
| Individual Section Quantity | 2 |
| Body Length | 0.850 INCHES NOMINAL IN |
| Mounting Facility | PLUG-IN |
| Terminal Type and Quantity | 16 PIN |
| Body Depth | 0.225 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 | JZ |
| Weight | 0.1000 lbs |
| Cube | 0.0069 cu ft |
NSN 5999-01-158-4530 is a Delay Line, manufactured by Rhombus Industries Inc. Dba Rhombus Industries Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-158-4530 has 2 manufacturer part numbers on file: SP-640 (Rhombus Industries Inc. Dba Rhombus Industries Inc), 12272416 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for SP-640: Signal Delay Method: INDUCTANCE; Body Style: RECTANGULAR; Body Width: 0.320 INCHES NOMINAL IN; Individual Section Quantity: 2. 8 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 5999-01-158-4530 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.