PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

505174-1Delay Line

L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products · NSN 5999-01-115-7556 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-115-7556 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-115-7556. Primary manufacturer part number: 505174-1.
Features
  • Delay Line — FSC 5999
  • Slotted Hole Width: 0.010 INCHES NOMINAL IN
  • Individual Section Quantity: 1
  • Delay Time Variation Method: VARIABLE
  • Inclosure Type: HERMETICALLY SEALED
  • Body Length: 1.374 INCHES MINIMUM AND 1.434 INCHES MAXIMUM IN
  • Body Depth: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 4
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-01-115-7556, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-115-7556
Primary Part Number505174-1
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
StatusACTIVE
Slotted Hole Width0.010 INCHES NOMINAL IN
Individual Section Quantity1
Delay Time Variation MethodVARIABLE
Inclosure TypeHERMETICALLY SEALED
Body Length1.374 INCHES MINIMUM AND 1.434 INCHES MAXIMUM IN
Body Depth0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Mounting Facility Quantity4
Delay Time Variation Per Deg Celsius0.010 NANOSECONDS NS
Special Test FeaturesSELECTED AND TESTED FOR AN/TPX-42A(V)10 A
Longest Vertical Distance Between Mounting Centers1.000 INCHES NOMINAL IN
Terminal Type and Quantity4 PIN
Segment Quantity Per Section1 SINGLE SECTION
Voltage Rating50.000 VOLTS NOMINAL
Test Data Document00752-505174 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Adjustment Device Drive TypeSLOTTED SCREW
Longest Horizontal Distance Between Mounting Centers0.300 INCHES NOMINAL IN
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Signal Delay MethodLUMPED CONSTANT
Attenuation in Decibels1.500
Pulse Rise Time Rating32.0 NANOSECONDS NS
Mounting Provision Arrangement StyleFOUR POSITION RECTANGULAR
Adjustment Device Quantity1
Section Delay Time0.000 NANOSECONDS MINIMUM SINGLE SECTION AND 160.000 NANOSECONDS MAXIMUM SINGLE SECTION NS
Mounting FacilityTERMINAL
Input Impedance Rating100.000 OHMS
Body StyleRECTANGULAR
Slot Length0.020 INCHES NOMINAL IN
Slotted Hole Width0.010 INCHES NOMINAL IN
Individual Section Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0400 lbs
Cube0.0076 cu ft
Verified Substitutes 7
5999-00-934-8743712810-29 SUCCESSOR
Delay Line
Raytheon Company Div Rmd Strategic
5999-00-400-30991176 INTERCHANGEABLE
Delay Line
Neurotech Corp Control Electronics Div
5999-00-460-2724 INTERCHANGEABLE
Delay Line
5999-00-934-8740 INTERCHANGEABLE
Delay Line
5999-00-934-8741712810-25 INTERCHANGEABLE
Delay Line
Raytheon Company Div Rmd Strategic
5999-00-934-8742712810-26 INTERCHANGEABLE
Delay Line
Raytheon Company Div Rmd Strategic
5999-01-082-9842 INTERCHANGEABLE
Delay Line
Cross-Reference Index
Part NumberManufacturer
1503-8042 Data Delay Devices (USA)
MIL-D-23859 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
505174-1 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
Related Parts
5999-00-934-8743SUCCESSOR
DELAY LINE
712810-29
5999-00-400-3099INTERCHANGEABLE
DELAY LINE
1176
5999-00-460-2724INTERCHANGEABLE
DELAY LINE
5999-00-934-8740INTERCHANGEABLE
DELAY LINE
5999-00-934-8741INTERCHANGEABLE
DELAY LINE
712810-25
5999-00-934-8742INTERCHANGEABLE
DELAY LINE
712810-26
5999-01-082-9842INTERCHANGEABLE
DELAY LINE

Frequently Asked Questions

What is NSN 5999-01-115-7556?

NSN 5999-01-115-7556 is a Delay Line, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-115-7556?

NSN 5999-01-115-7556 has 3 cross-referenced part numbers: 1503-8042 (Data Delay Devices), MIL-D-23859 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 505174-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).

What NSN replaces 5999-01-115-7556?

There are 7 known substitutes for 5999-01-115-7556: 5999-00-934-8743, 5999-00-400-3099, 5999-00-460-2724 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 505174-1?

Key specifications for 505174-1: Slotted Hole Width: 0.010 INCHES NOMINAL IN; Individual Section Quantity: 1; Delay Time Variation Method: VARIABLE; Inclosure Type: HERMETICALLY SEALED. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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