The Delay Line, cataloged under National Stock Number 5999-00-779-8367, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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 | 5999-00-779-8367 |
| Primary Part Number | 1655221 |
| Item Name | Delay Line |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Pulse Rise Time Rating | 0.25 MICROSECONDS US |
| Signal Delay Method | INDUCTANCE |
| Body Diameter | 0.380 INCHES MAXIMUM IN |
| Section Delay Time | 1.000 MICROSECONDS NOMINAL SINGLE SECTION US |
| Mounting Facility Quantity | 3 |
| Output Impedance Rating | 3000.000 OHMS |
| Body Style | CYLINDRICAL |
| Individual Section Quantity | 1 |
| Delay Time Variation Method | TAPPED |
| Body Length | 2.500 INCHES MAXIMUM IN |
| Input Impedance Rating | 3000.000 OHMS |
| Mounting Facility | TERMINAL |
| Terminal Type and Quantity | 3 WIRE LEADS |
| Operating Temp Range | -20.0 TO 85.0 CELSIUS DEGC |
| Voltage Rating | 200.000 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | Y |
| Part Number | Manufacturer |
|---|---|
| B197 | Payne Magnetics, Inc. (USA) |
| L200005506 | Lockheed Martin Librascope Corporation (USA) |
| 1655221 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1655221 | Payne Magnetics, Inc. (USA) |
NSN 5999-00-779-8367 is a Delay Line, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-779-8367 has 4 manufacturer part numbers on file: B197 (Payne Magnetics, Inc.), L200005506 (Lockheed Martin Librascope Corporation), 1655221 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1655221 (Payne Magnetics, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5905-01-068-5463, 5310-01-126-5268, 5360-01-286-7736. Verify interchangeability with system specifications before substitution.
Key specifications for 1655221: Pulse Rise Time Rating: 0.25 MICROSECONDS US; Signal Delay Method: INDUCTANCE; Body Diameter: 0.380 INCHES MAXIMUM IN; Section Delay Time: 1.000 MICROSECONDS NOMINAL SINGLE SECTION US. 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.
NSN 5999-00-779-8367 has DEMIL Code B. 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.