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NSN 5999-01-145-9944Government record, cited
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Delay Line5999-01-145-9944

NSN 5999-01-145-9944 · NIIN 011459944 · Part number SP539
Rhombus Industries Inc. Dba Rhombus Industries Inc · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 16714
Government record, cited
NSN 5999-01-145-9944 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-145-9944. Manufacturer of record part number: SP539.
Also searched as  5999-01-145-9944 · 5999011459944 · NIIN 011459944 · 01-145-9944 · FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 16714 · SP539
Nearby stock numbers  ·
Features
  • Delay Line — FSC 5999
  • Pulse Rise Time Rating: 5.0 NANOSECONDS NS
  • Section Delay Time: 15.000 NANOSECONDS NOMINAL SINGLE SECTION NS
  • Delay Time Variation Method: TAPPED
  • Input Impedance Rating: 200.000 OHMS
  • Attenuation in Decibels: 0.500
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Voltage Rating: 50.000 VOLTS MAXIMUM
Identification
  • NSN: 5999-01-145-9944
  • NIIN: 011459944
  • FSC: 5999 — Miscellaneous Electrical and Electronic Components
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: SP539
  • Manufacturer: Rhombus Industries Inc. Dba Rhombus Industries Inc
General Description

The Delay Line, cataloged under National Stock Number 5999-01-145-9944, 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 Rhombus Industries Inc. Dba Rhombus Industries Inc. Government technical data includes 7 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-145-9944
Primary Part NumberSP539
Item NameDelay Line
FSC / FSG5999 / 59 — Miscellaneous Electrical and Electronic Components
ManufacturerRhombus Industries Inc. Dba Rhombus Industries Inc
StatusACTIVE
Pulse Rise Time Rating5.0 NANOSECONDS NS
Section Delay Time15.000 NANOSECONDS NOMINAL SINGLE SECTION NS
Delay Time Variation MethodTAPPED
Input Impedance Rating200.000 OHMS
Attenuation in Decibels0.500
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Voltage Rating50.000 VOLTS MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
SP539 PRIMARY Rhombus Industries Inc. Dba Rhombus Industries Inc (USA)
No interchangeability data on file.
Other items in FSC 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345
5999-00-001-1345 · Item name not on file
5999-00-001-1346
5999-00-001-1346 · Item name not on file
5999-00-001-1348
5999-00-001-1348 · Item name not on file
5999-00-001-1349
5999-00-001-1349 · Item name not on file
5999-00-001-1355
5999-00-001-1355 · Item name not on file
5999-00-001-1623
5999-00-001-1623 · Item name not on file
5999-00-001-2537
5999-00-001-2537 · Item name not on file
5999-00-001-2539
5999-00-001-2539 · Item name not on file

Frequently Asked Questions

What is NSN 5999-01-145-9944?

NSN 5999-01-145-9944 is a Delay Line, manufactured by Rhombus Industries Inc. Dba Rhombus Industries Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.

What part numbers are listed for NSN 5999-01-145-9944?

NSN 5999-01-145-9944 has 1 manufacturer part number on file: SP539 (Rhombus Industries Inc. Dba Rhombus Industries Inc).

What are the specifications of SP539?

Key specifications for SP539: Pulse Rise Time Rating: 5.0 NANOSECONDS NS; Section Delay Time: 15.000 NANOSECONDS NOMINAL SINGLE SECTION NS; Delay Time Variation Method: TAPPED; Input Impedance Rating: 200.000 OHMS. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5999-01-145-9944 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 5999-01-145-9944?

NSN 5999-01-145-9944 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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