The Delay Line, cataloged under National Stock Number 5999-01-056-4100, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5999-01-056-4100 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Pulse Rise Time Rating | 60.0 NANOSECONDS NS |
| Signal Delay Method | LUMPED CONSTANT |
| Section Delay Time | 300.000 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Mounting Facility Quantity | 14 |
| Inclosure Type | ENCASED |
| Output Impedance Rating | 100.000 OHMS |
| Body Style | RECTANGULAR, FRONT CONNECTION |
| Body Width | 0.300 INCHES MAXIMUM IN |
| Mounting Provision Arrangement Style | FOUR POSITION RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 0.310 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Individual Section Quantity | 1 |
| Segment Quantity Per Section | 8 SINGLE SECTION |
| Delay Time Variation Method | TAPPED |
| Segment Delay Time | 37.500 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS |
| Body Length | 0.740 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| Input Impedance Rating | 50.000 OHMS |
| Mounting Facility | TERMINAL |
| Terminal Type and Quantity | 14 PIN |
| Attenuation in Decibels | 5.000 |
| Operating Temp Range | -45.0 TO 110.0 CELSIUS DEGC |
| Test Data Document | 81349-MIL-D-23859 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | PLASTIC EPOXY BODY |
| Unpackaged Unit Weight | 2.000 GRAMS G |
| Body Depth | 0.187 INCHES NOMINAL IN |
| Voltage Rating | 3.000 VOLTS NOMINAL |
| Longest Horizontal Distance Between Mounting Centers | 0.600 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| 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 |
| Weight | 0.0200 lbs |
| Cube | 0.0069 cu ft |
| Reference | Meaning |
|---|---|
| MIL-D-23859/23 | 4/1 Identification reference U.S. Government activity |
| M23859-23-140 | 2/2 Government specification standardization U.S. Government activity |
NSN 5999-01-056-4100 is a Delay Line, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5999-01-067-3064, 5999-01-108-7857, 5999-01-131-0307. Verify interchangeability with system specifications before substitution.
Key specifications for 5999-01-056-4100: Pulse Rise Time Rating: 60.0 NANOSECONDS NS; Signal Delay Method: LUMPED CONSTANT; Section Delay Time: 300.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Mounting Facility Quantity: 14. 26 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 5999-01-056-4100 has DEMIL Code Q. 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.