The Delay Line, cataloged under National Stock Number 5999-01-339-5201, 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 Northrop Grumman Corp Electronic Systems Defensive System Div. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-339-5201 |
| Primary Part Number | 1M138-11 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Pulse Rise Time Rating | 8.0 NANOSECONDS NS |
| Signal Delay Method | LUMPED CONSTANT |
| Section Delay Time | 38.000 NANOSECONDS MINIMUM SINGLE SECTION AND 42.000 NANOSECONDS MAXIMUM SINGLE SECTION NS |
| Mounting Facility Quantity | 14 |
| Inclosure Type | HERMETICALLY SEALED |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR |
| Body Width | 0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Individual Section Quantity | 1 |
| Segment Quantity Per Section | 10 SINGLE SECTION |
| Delay Time Variation Method | TAPPED |
| Segment Delay Time | 4.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS NS |
| Body Length | 0.740 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| Mounting Facility | PIN(S) |
| Terminal Type and Quantity | 14 PIN |
| Frequency Rating | 1.000 MEGAHERTZ NOMINAL |
| Body Depth | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Voltage Rating | 25.000 VOLTS NOMINAL |
| 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 |
NSN 5999-01-339-5201 is a Delay Line, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-339-5201 has 2 manufacturer part numbers on file: 1M138-11 (Northrop Grumman Corp Electronic Systems Defensive System Div), SP-817 (Rhombus Industries Inc. Dba Rhombus Industries Inc).
Key specifications for 1M138-11: Pulse Rise Time Rating: 8.0 NANOSECONDS NS; Signal Delay Method: LUMPED CONSTANT; Section Delay Time: 38.000 NANOSECONDS MINIMUM SINGLE SECTION AND 42.000 NANOSECONDS MAXIMUM 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 5999-01-339-5201 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.