The Delay Line, cataloged under National Stock Number 5999-01-113-7955, 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 Jbm Electronics Inc. Government technical data includes 18 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. 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 | 5999-01-113-7955 |
| Primary Part Number | L-21-384 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Jbm Electronics Inc |
| Status | ACTIVE |
| Pulse Rise Time Rating | 5.0 NANOSECONDS NS |
| Signal Delay Method | INDUCTANCE |
| Section Delay Time | 200.000 NANOSECONDS NOMINAL SINGLE SECTION NS |
| Mounting Facility Quantity | 14 |
| Inclosure Type | ENCASED |
| Output Impedance Rating | 100.000 OHMS |
| Body Style | RECTANGULAR |
| Body Width | 0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Individual Section Quantity | 1 |
| Segment Quantity Per Section | 10 SINGLE SECTION |
| Delay Time Variation Method | TAPPED |
| Body Length | 0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN |
| Input Impedance Rating | 100.000 OHMS |
| Mounting Facility | TERMINAL |
| Terminal Type and Quantity | 14 PIN |
| Attenuation in Decibels | 1.000 |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Body Depth | 0.192 INCHES MINIMUM AND 0.222 INCHES MAXIMUM 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 | J |
NSN 5999-01-113-7955 is a Delay Line, manufactured by Jbm Electronics Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-113-7955 has 2 manufacturer part numbers on file: L-21-384 (Jbm Electronics Inc), 6116737-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-513-1543. Verify interchangeability with system specifications before substitution.
Key specifications for L-21-384: Pulse Rise Time Rating: 5.0 NANOSECONDS NS; Signal Delay Method: INDUCTANCE; Section Delay Time: 200.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Mounting Facility Quantity: 14. 18 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 5999-01-113-7955 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.