PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

157-002-0001Delay Line

Northrop Grumman Systems Corporation · NSN 5999-00-950-6887 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-950-6887 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-950-6887. Primary manufacturer part number: 157-002-0001.
Features
  • Delay Line — FSC 5999
  • Thread Class: 3B
  • Longest Horizontal Distance Between Mounting Centers: 5.750 INCHES NOMINAL IN
  • Longest Vertical Distance Between Mounting Centers: 0.500 INCHES NOMINAL IN
  • Signal Delay Method: TRANSMISSION LINE
  • Mounting Facility Quantity: 4
  • Surface Treatment: PAINT OVERALL
  • Thread Size and Series/type Designator: 0.112-40 UNIFIED NATIONAL COARSE (UNC)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-950-6887, 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 Northrop Grumman Systems Corporation. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-950-6887
Primary Part Number157-002-0001
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Thread Class3B
Longest Horizontal Distance Between Mounting Centers5.750 INCHES NOMINAL IN
Longest Vertical Distance Between Mounting Centers0.500 INCHES NOMINAL IN
Signal Delay MethodTRANSMISSION LINE
Mounting Facility Quantity4
Surface TreatmentPAINT OVERALL
Thread Size and Series/type Designator0.112-40 UNIFIED NATIONAL COARSE (UNC)
Output Impedance Rating93.000 OHMS
Input Impedance Rating93.000 OHMS
Mounting Provision Arrangement StyleFOUR POSITION RECTANGULAR
Attenuation in Decibels0.600
Terminal Type and Quantity2 CONNECTOR, RECEPTACLE
Thread Pitch Diameters+0.0958 TO 0.0982 INCHES IN
Mounting FacilityTHREADED HOLE(S)
Thread Class3B
Longest Horizontal Distance Between Mounting Centers5.750 INCHES NOMINAL IN
Longest Vertical Distance Between Mounting Centers0.500 INCHES NOMINAL IN
Signal Delay MethodTRANSMISSION LINE
Mounting Facility Quantity4
Surface TreatmentPAINT OVERALL
Thread Size and Series/type Designator0.112-40 UNIFIED NATIONAL COARSE (UNC)
Output Impedance Rating93.000 OHMS
Input Impedance Rating93.000 OHMS
Mounting Provision Arrangement StyleFOUR POSITION RECTANGULAR
Attenuation in Decibels0.600
Terminal Type and Quantity2 CONNECTOR, RECEPTACLE
Thread Pitch Diameters+0.0958 TO 0.0982 INCHES IN
Mounting FacilityTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 6
5310-00-273-76503852 INTERCHANGEABLE
Washer,flat
Prestolite Electric Inc
5950-00-645-6096 INTERCHANGEABLE
Coil,electrical
5996-00-681-7488 INTERCHANGEABLE
Amplifier,magnetic
7360-00-999-988888899990 INTERCHANGEABLE
Wing Nut Assembly
Ant Company of VA, the
2530-01-110-50323852 INTERCHANGEABLE
Arm,steering Gear
Pdi Ground Support Systems, Inc.
5930-01-294-29461-150-007 INTERCHANGEABLE
Switch,pull
The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation
Cross-Reference Index
Part NumberManufacturer
157-002-0001 PRIMARY Northrop Grumman Systems Corporation (USA)
SMD 8811Y Data Delay Devices (USA)
38-52 Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil (USA)
OOT488 Kappa Technologies Inc. (USA)
Related Parts
5310-00-273-7650INTERCHANGEABLE
WASHER,FLAT
3852
5950-00-645-6096INTERCHANGEABLE
COIL,ELECTRICAL
5996-00-681-7488INTERCHANGEABLE
AMPLIFIER,MAGNETIC
7360-00-999-9888INTERCHANGEABLE
WING NUT ASSEMBLY
88899990
2530-01-110-5032INTERCHANGEABLE
ARM,STEERING GEAR
3852
5930-01-294-2946INTERCHANGEABLE
SWITCH,PULL
1-150-007

Frequently Asked Questions

What is NSN 5999-00-950-6887?

NSN 5999-00-950-6887 is a Delay Line, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-950-6887?

NSN 5999-00-950-6887 has 4 cross-referenced part numbers: 157-002-0001 (Northrop Grumman Systems Corporation), SMD 8811Y (Data Delay Devices), 38-52 (Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil), OOT488 (Kappa Technologies Inc.).

What NSN replaces 5999-00-950-6887?

There are 6 known substitutes for 5999-00-950-6887: 5310-00-273-7650, 5950-00-645-6096, 5996-00-681-7488 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 157-002-0001?

Key specifications for 157-002-0001: Thread Class: 3B; Longest Horizontal Distance Between Mounting Centers: 5.750 INCHES NOMINAL IN; Longest Vertical Distance Between Mounting Centers: 0.500 INCHES NOMINAL IN; Signal Delay Method: TRANSMISSION LINE. 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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