The Delay Line, cataloged under National Stock Number 5999-00-970-6543, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5999-00-970-6543 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| FSC Application Data | RADAR SETS,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE |
| Section Delay Time | 800.000 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Mounting Facility Quantity | 2 |
| Output Impedance Rating | 1.000 KILOHMS |
| Mounting Provision Arrangement Style | 2 POSITION IN-LINE |
| Input Impedance Rating | 1.000 KILOHMS |
| Mounting Facility | THREADED STUD(S) |
| Terminal Type and Quantity | 4 TAB SOLDER LUG |
| Surface Treatment | TIN CASE |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Material | COPPER ALLOY CASE |
| Thread Size and Series/type Designator | 0.112-40 UNIFIED NATIONAL COARSE (UNC) |
| Longest Horizontal Distance Between Mounting Centers | 1.750 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 | XF |
| Reference | Meaning |
|---|---|
| 8CA8-9-10 | 3/9 Design control — primary reference Valor Instruments Inc |
NSN 5999-00-970-6543 is a Delay Line, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5999-01-049-6066. Verify interchangeability with system specifications before substitution.
Key specifications for 5999-00-970-6543: FSC Application Data: RADAR SETS,NONAIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE; Section Delay Time: 800.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Mounting Facility Quantity: 2; Output Impedance Rating: 1.000 KILOHMS. 13 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 5999-00-970-6543 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.