PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7749398P16Delay Line

Lockheed Martin Corporation Div Rms · NSN 5999-00-015-9128 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-015-9128 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-015-9128. Primary manufacturer part number: 7749398P16.
Features
  • Delay Line — FSC 5999
  • Pulse Rise Time Rating: 150.0 MILLISECONDS MS
  • Body Width: 4.562 INCHES NOMINAL IN
  • Hole Diameter: 0.187 INCHES NOMINAL IN
  • Terminal Type and Quantity: 2 COAXIAL RECEPTACLE
  • Body Length: 6.125 INCHES NOMINAL IN
  • Mounting Provision Arrangement Style: FOUR POSITION RECTANGULAR
  • Delay Time Variation Method: ADJUSTABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-015-9128, 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 Lockheed Martin Corporation Div Rms. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-00-015-9128
Primary Part Number7749398P16
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Pulse Rise Time Rating150.0 MILLISECONDS MS
Body Width4.562 INCHES NOMINAL IN
Hole Diameter0.187 INCHES NOMINAL IN
Terminal Type and Quantity2 COAXIAL RECEPTACLE
Body Length6.125 INCHES NOMINAL IN
Mounting Provision Arrangement StyleFOUR POSITION RECTANGULAR
Delay Time Variation MethodADJUSTABLE
Operating Temp Range-1.0 TO 52.0 CELSIUS DEGC
Adjustment Device Quantity1
Section Delay Time87.000 MICROSECONDS NOMINAL SINGLE SECTION US
Signal Delay MethodINDUCTANCE
Individual Section Quantity1
Adjustment Device Drive TypeSLOTTED SCREW
Body StyleRECTANGULAR
Longest Vertical Distance Between Mounting Centers3.562 INCHES NOMINAL IN
Mounting FacilityUNTHREADED HOLE(S)
Longest Horizontal Distance Between Mounting Centers5.760 INCHES NOMINAL IN
Body Depth0.760 INCHES NOMINAL IN
Mounting Facility Quantity4
Pulse Rise Time Rating150.0 MILLISECONDS MS
Body Width4.562 INCHES NOMINAL IN
Hole Diameter0.187 INCHES NOMINAL IN
Terminal Type and Quantity2 COAXIAL RECEPTACLE
Body Length6.125 INCHES NOMINAL IN
Mounting Provision Arrangement StyleFOUR POSITION RECTANGULAR
Delay Time Variation MethodADJUSTABLE
Operating Temp Range-1.0 TO 52.0 CELSIUS DEGC
Adjustment Device Quantity1
Section Delay Time87.000 MICROSECONDS NOMINAL SINGLE SECTION US
Signal Delay MethodINDUCTANCE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-763-35256315-1 INTERCHANGEABLE
Nut,plain,round
Goodrich Aerospace Canada Ltd
2915-00-775-11326315 INTERCHANGEABLE
Valve,fuel,regulator
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5935-00-942-72376315-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5940-01-011-6130SX-3820 INTERCHANGEABLE
Terminal,feedthru
Hermetic Seal Corporation Div Ametek Inc.
5998-01-406-3679 INTERCHANGEABLE
Circuit Card Assembly
6110-01-470-7002 INTERCHANGEABLE
Distribution Box
Cross-Reference Index
Part NumberManufacturer
7749398P16 General Electric Company (USA)
63-151 Ferranti Electric Inc (USA)
7749398P16 PRIMARY Lockheed Martin Corporation Div Rms (USA)
Related Parts
5310-00-763-3525INTERCHANGEABLE
NUT,PLAIN,ROUND
6315-1
2915-00-775-1132INTERCHANGEABLE
VALVE,FUEL,REGULATOR
6315
5935-00-942-7237INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6315-1
5940-01-011-6130INTERCHANGEABLE
TERMINAL,FEEDTHRU
SX-3820
5998-01-406-3679INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6110-01-470-7002INTERCHANGEABLE
DISTRIBUTION BOX

Frequently Asked Questions

What is NSN 5999-00-015-9128?

NSN 5999-00-015-9128 is a Delay Line, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-015-9128?

NSN 5999-00-015-9128 has 3 cross-referenced part numbers: 7749398P16 (General Electric Company), 63-151 (Ferranti Electric Inc), 7749398P16 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5999-00-015-9128?

There are 6 known substitutes for 5999-00-015-9128: 5310-00-763-3525, 2915-00-775-1132, 5935-00-942-7237 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7749398P16?

Key specifications for 7749398P16: Pulse Rise Time Rating: 150.0 MILLISECONDS MS; Body Width: 4.562 INCHES NOMINAL IN; Hole Diameter: 0.187 INCHES NOMINAL IN; Terminal Type and Quantity: 2 COAXIAL RECEPTACLE. 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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