The Delay Line, cataloged under National Stock Number 5999-01-040-6124, 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 Compaq Federal Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-040-6124 |
| Primary Part Number | 16-09428-00 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Compaq Federal Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 |
| Inclosure Type | HERMETICALLY SEALED |
| Body Style | RECTANGULAR |
| Body Width | 0.438 INCHES NOMINAL IN |
| Body Length | 0.750 INCHES NOMINAL IN |
| Mounting Facility | TERMINAL |
| Terminal Type and Quantity | 4 PIN |
| Material | PLASTIC BODY |
| Material | COPPER TERMINAL |
| Body Depth | 0.219 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 | JN |
| Part Number | Manufacturer |
|---|---|
| 16-09428-00 PRIMARY | Compaq Federal Llc (USA) |
| L-05-21 | Shallcross Inc (USA) |
| Reference | Meaning |
|---|---|
| 1609428 | 5/9 Secondary reference Compaq Federal Llc |
| 105-21 | C/1 Advisory reference — outside the item-of-supply concept Shallcross Inc |
NSN 5999-01-040-6124 is a Delay Line, manufactured by Compaq Federal Llc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-040-6124 has 2 manufacturer part numbers on file: 16-09428-00 (Compaq Federal Llc), L-05-21 (Shallcross Inc).
5 possible matches (shared part number, not a government interchangeability claim): 4470-01-059-8386, 6530-01-139-9453, 6210-01-174-9976. Verify interchangeability with system specifications before substitution.
Key specifications for 16-09428-00: Mounting Facility Quantity: 4; Inclosure Type: HERMETICALLY SEALED; Body Style: RECTANGULAR; Body Width: 0.438 INCHES NOMINAL IN. 10 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 5999-01-040-6124 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.