The Delay Line, cataloged under National Stock Number 5999-00-855-9074, 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 General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-00-855-9074 |
| Primary Part Number | 225-28981 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Pulse Rise Time Rating | 35.0 NANOSECONDS NS |
| FSC Application Data | RADAR SETS,AIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE |
| Adjustment Device Quantity | 1 |
| Section Delay Time | 0.000 NANOSECONDS MINIMUM SINGLE SECTION AND 100.000 NANOSECONDS MAXIMUM SINGLE SECTION NS |
| Mounting Facility Quantity | 1 |
| Output Impedance Rating | 620.000 OHMS |
| Adjustment Device Drive Type | SHAFT |
| Frequency Bandwidth | 18000.0 KILOHERTZ NOMINAL |
| Delay Time Variation Method | VARIABLE |
| Input Impedance Rating | 620.000 OHMS |
| Mounting Facility | THREADED BUSHING |
| Terminal Type and Quantity | 4 SOLDER STUD |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Thread Class | 2A A |
| Thread Size and Series/type Designator | 0.375-32 UNEF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 225-28981 | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 225-28981 | 5/9 Secondary reference U.S. Government activity |
| SMD459855 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-00-855-9074 is a Delay Line, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-855-9074 has 1 manufacturer part number on file: 225-28981 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 225-28981: Pulse Rise Time Rating: 35.0 NANOSECONDS NS; FSC Application Data: RADAR SETS,AIRBORNE,EXCEPT FIRE CONTROL AND GUIDED MISSILE; Adjustment Device Quantity: 1; Section Delay Time: 0.000 NANOSECONDS MINIMUM SINGLE SECTION AND 100.000 NANOSECONDS MAXIMUM SINGLE SECTION NS. 15 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.
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.