The Delay Line, cataloged under National Stock Number 5999-01-239-7747, 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 Itt Systems & Sciences Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-239-7747 |
| Primary Part Number | 586R856H04 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Itt Systems & Sciences Corp |
| Status | ACTIVE |
| Signal Delay Method | TRANSMISSION LINE |
| Section Delay Time | 19.500 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Individual Section Quantity | 1 |
| Delay Time Variation Method | VARIABLE |
| Mounting Facility | STRAP(S) |
| Terminal Type and Quantity | 2 COAXIAL RECEPTACLE |
| Surface Treatment | PASSIVATE BODY |
| Attenuation in Decibels | 6.000 |
| Operating Temp Range | -40.0 TO 71.0 CELSIUS DEGC |
| Frequency Rating | 9.000 GIGAHERTZ MINIMUM AND 10.000 GIGAHERTZ MAXIMUM |
| Material | STEEL CORROSION RESISTING TUBE |
| Material | COPPER CONDUCTOR |
| 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 | ZN |
| Weight | 0.6400 lbs |
| Cube | 0.1302 cu ft |
| Part Number | Manufacturer |
|---|---|
| 586R856H04 | Itt Systems & Sciences Corp (USA) |
| 15-99-00350 | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 586R856H04 | 5/9 Secondary reference Meggitt Safety Systems Inc |
| 586R856H04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-239-7747 is a Delay Line, manufactured by Itt Systems & Sciences Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-239-7747 has 2 manufacturer part numbers on file: 586R856H04 (Itt Systems & Sciences Corp), 15-99-00350 (Meggitt Safety Systems Inc).
Key specifications for 586R856H04: Signal Delay Method: TRANSMISSION LINE; Section Delay Time: 19.500 NANOSECONDS NOMINAL SINGLE SECTION NS; Individual Section Quantity: 1; Overall Length: 13.380 INCHES NOMINAL IN. 12 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 5999-01-239-7747 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.