PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40B604Delay Line

Kappa Technologies Inc. · NSN 5999-00-129-6712 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-129-6712 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-129-6712. Primary manufacturer part number: 40B604.
Features
  • Delay Line — FSC 5999
  • FSC Application Data: TEST SET,RADIO
  • Unable to Decode: UNABLE TO DECODE
  • Mounting Facility Quantity: 4
  • Operating Temp Range: -40.0 TO 71.0 CELSIUS DEGC
  • Surface Treatment: PAINT CASE
  • Delay Time Per Step: 10.150 MICROSECONDS MINIMUM AND 25.000 MICROSECONDS MAXIMUM US
  • Frequency Bandwidth: 360.0 KILOHERTZ NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-129-6712, 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 Kappa Technologies Inc.. Government technical data includes 26 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-129-6712
Primary Part Number40B604
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerKappa Technologies Inc.
StatusACTIVE
FSC Application DataTEST SET,RADIO
Unable to DecodeUNABLE TO DECODE
Mounting Facility Quantity4
Operating Temp Range-40.0 TO 71.0 CELSIUS DEGC
Surface TreatmentPAINT CASE
Delay Time Per Step10.150 MICROSECONDS MINIMUM AND 25.000 MICROSECONDS MAXIMUM US
Frequency Bandwidth360.0 KILOHERTZ NOMINAL
Signal Delay MethodTRANSMISSION LINE
Step Quantity15
Mounting FacilityUNTHREADED HOLE(S)
Delay Time Variation MethodADJUSTABLE
Input Impedance Rating180.000 OHMS
Output Impedance Rating180.000 OHMS
FSC Application DataTEST SET,RADIO
Unable to DecodeUNABLE TO DECODE
Mounting Facility Quantity4
Operating Temp Range-40.0 TO 71.0 CELSIUS DEGC
Surface TreatmentPAINT CASE
Delay Time Per Step10.150 MICROSECONDS MINIMUM AND 25.000 MICROSECONDS MAXIMUM US
Frequency Bandwidth360.0 KILOHERTZ NOMINAL
Signal Delay MethodTRANSMISSION LINE
Step Quantity15
Mounting FacilityUNTHREADED HOLE(S)
Delay Time Variation MethodADJUSTABLE
Input Impedance Rating180.000 OHMS
Output Impedance Rating180.000 OHMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 4
1560-00-693-8566134182 INTERCHANGEABLE
Quadrant Rudder
Lockheed Martin Corp
5180-01-071-5925D12302 INTERCHANGEABLE
Tool Kit,extended Power Unit
Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company
5915-01-230-9307930409-39 INTERCHANGEABLE
Filter,radio Frequency Interfere
Raytheon Company Dba Raytheon
2010-01-362-2382D-1-2-32 INTERCHANGEABLE
Plug,propeller Shaft
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
40B604 PRIMARY Kappa Technologies Inc. (USA)
D1232 Computer Devices Corp (USA)
134182 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
1560-00-693-8566INTERCHANGEABLE
QUADRANT RUDDER
134182
5180-01-071-5925INTERCHANGEABLE
TOOL KIT,EXTENDED POWER UNIT
D12302
5915-01-230-9307INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
930409-39
2010-01-362-2382INTERCHANGEABLE
PLUG,PROPELLER SHAFT
D-1-2-32

Frequently Asked Questions

What is NSN 5999-00-129-6712?

NSN 5999-00-129-6712 is a Delay Line, manufactured by Kappa Technologies Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-129-6712?

NSN 5999-00-129-6712 has 3 cross-referenced part numbers: 40B604 (Kappa Technologies Inc.), D1232 (Computer Devices Corp), 134182 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5999-00-129-6712?

There are 4 known substitutes for 5999-00-129-6712: 1560-00-693-8566, 5180-01-071-5925, 5915-01-230-9307 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40B604?

Key specifications for 40B604: FSC Application Data: TEST SET,RADIO; Unable to Decode: UNABLE TO DECODE; Mounting Facility Quantity: 4; Operating Temp Range: -40.0 TO 71.0 CELSIUS DEGC. 26 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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