PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21198Delay Line

Pulse Engineering Inc · NSN 5999-01-268-1433 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-268-1433 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-268-1433. Primary manufacturer part number: 21198.
Features
  • Delay Line — FSC 5999
  • Individual Section Quantity: 1
  • Voltage Rating: 5.000 VOLTS NOMINAL
  • Signal Delay Method: SOLID STATE
  • Terminal Type and Quantity: 14 PIN
  • Delay Time Variation Method: ADJUSTABLE
  • Body Depth: 0.275 INCHES MAXIMUM IN
  • Pulse Rise Time Rating: 3.0 NANOSECONDS NS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-01-268-1433, 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 Pulse Engineering Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-268-1433
Primary Part Number21198
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerPulse Engineering Inc
StatusACTIVE
Individual Section Quantity1
Voltage Rating5.000 VOLTS NOMINAL
Signal Delay MethodSOLID STATE
Terminal Type and Quantity14 PIN
Delay Time Variation MethodADJUSTABLE
Body Depth0.275 INCHES MAXIMUM IN
Pulse Rise Time Rating3.0 NANOSECONDS NS
Step Quantity5
Mounting FacilityUNTHREADED HOLE(S)
Body Length0.800 INCHES MAXIMUM IN
Body Width0.400 INCHES MAXIMUM IN
Delay Time Per Step10.000 NANOSECONDS NOMINAL NS
Body StyleRECTANGULAR
Mounting Facility Quantity4
Individual Section Quantity1
Voltage Rating5.000 VOLTS NOMINAL
Signal Delay MethodSOLID STATE
Terminal Type and Quantity14 PIN
Delay Time Variation MethodADJUSTABLE
Body Depth0.275 INCHES MAXIMUM IN
Pulse Rise Time Rating3.0 NANOSECONDS NS
Step Quantity5
Mounting FacilityUNTHREADED HOLE(S)
Body Length0.800 INCHES MAXIMUM IN
Body Width0.400 INCHES MAXIMUM IN
Delay Time Per Step10.000 NANOSECONDS NOMINAL NS
Body StyleRECTANGULAR
Mounting Facility Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-068-7031 INTERCHANGEABLE
Screw,hold-Down
5330-00-162-53853100B11 INTERCHANGEABLE
Gasket
Terex Usa, Llc Dba Terex Equipment Services
5975-00-280-9214 INTERCHANGEABLE
Box Connector,electrical
4320-00-591-2684187 INTERCHANGEABLE
Slinger,pump
Industrial Technologies and Services Llc
3040-00-734-08186759519 INTERCHANGEABLE
Carrier Assembly,hi
Allison Transmission Inc Dba Allison Transmission, Inc
4330-01-136-346121198 INTERCHANGEABLE
Filter,fluid
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4130-01-389-058621198 INTERCHANGEABLE
Filter Media,air Conditioning
Fibrebond Corp
4820-01-443-929820406-1110-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-446-746821198-851-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-447-611021198-1000-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
PE21198 Pulse Engineering Inc (USA)
445/4/02799/001 G E C Marconi S3i Ltd Combat Systems Division (GBR)
3403-102 Marconi Avionics Ltd (GBR)
3403-102 Leonardo Mw Ltd (GBR)
21198 PRIMARY Pulse Engineering Inc (USA)
445/4/02799/001 Bae Systems Maritime Services (GBR)
3403-102 Leonardo Uk Ltd (GBR)
Related Parts
5305-00-068-7031INTERCHANGEABLE
SCREW,HOLD-DOWN
5330-00-162-5385INTERCHANGEABLE
GASKET
3100B11
5975-00-280-9214INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
4320-00-591-2684INTERCHANGEABLE
SLINGER,PUMP
187
3040-00-734-0818INTERCHANGEABLE
CARRIER ASSEMBLY,HI
6759519
4330-01-136-3461INTERCHANGEABLE
FILTER,FLUID
21198
4130-01-389-0586INTERCHANGEABLE
FILTER MEDIA,AIR CONDITIONING
21198
4820-01-443-9298INTERCHANGEABLE
PISTON,VALVE
20406-1110-1
4820-01-446-7468INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21198-851-1
3040-01-447-6110INTERCHANGEABLE
SHAFT,SHOULDERED
21198-1000-1
4820-01-450-3625INTERCHANGEABLE
PISTON,VALVE
21198-1005-1
6150-01-486-4723INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
21198

Frequently Asked Questions

What is NSN 5999-01-268-1433?

NSN 5999-01-268-1433 is a Delay Line, manufactured by Pulse Engineering Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-268-1433?

NSN 5999-01-268-1433 has 7 cross-referenced part numbers: PE21198 (Pulse Engineering Inc), 445/4/02799/001 (G E C Marconi S3i Ltd Combat Systems Division), 3403-102 (Marconi Avionics Ltd), 3403-102 (Leonardo Mw Ltd), 21198 (Pulse Engineering Inc) and 2 more.

What NSN replaces 5999-01-268-1433?

There are 12 known substitutes for 5999-01-268-1433: 5305-00-068-7031, 5330-00-162-5385, 5975-00-280-9214 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21198?

Key specifications for 21198: Individual Section Quantity: 1; Voltage Rating: 5.000 VOLTS NOMINAL; Signal Delay Method: SOLID STATE; Terminal Type and Quantity: 14 PIN. 28 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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