PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531587-1Delay Line

Raytheon Company Dba Raytheon · NSN 5999-00-437-6493 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-437-6493 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-437-6493. Primary manufacturer part number: 531587-1.
Features
  • Delay Line — FSC 5999
  • 10 verified cross-references
  • Primary manufacturer: Raytheon Company Dba Raytheon
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-437-6493, 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 Raytheon Company Dba Raytheon. This item has 10 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. Unit of issue: EA.

Catalog Facts
Item NameDelay Line
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersMicro Networks Corporation (CAGE 03947); Raytheon Company Dba Raytheon (CAGE 96214); Bliley Technologies Inc (CAGE 71034); Spectrum Microwave, Inc. (CAGE 52747); St Olektron Corp (CAGE 11869)
Technical Specifications
ParameterValue
NSN5999-00-437-6493
Primary Part Number531587-1
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZN
Weight0.1700 lbs
Cube0.0836 cu ft
Verified Substitutes 12
5940-00-143-4771MS25036-103 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5133-00-228-1348 INTERCHANGEABLE
Drill,twist
1650-00-228-493325151 INTERCHANGEABLE
Guide,reservoir,hydraulic
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5905-00-232-18481960919-1 INTERCHANGEABLE
Resistor,electrical
Honeywell Intl Inc Defense Avionics Systems
5330-00-465-556502420481400 INTERCHANGEABLE
Seal,plain Encased
Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division
5310-00-489-7159 INTERCHANGEABLE
Locknut
5310-00-637-25114814 INTERCHANGEABLE
Washer,lock
Telemechanics Inc
5355-00-668-7896B311-284 INTERCHANGEABLE
Window,dial
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
4820-00-825-38500548-A01-KM0100 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
8040-01-039-8132 INTERCHANGEABLE
Adhesive
Cross-Reference Index
Part NumberManufacturer
4814 Micro Networks Corporation (USA)
AL05179-503 Micro Networks Corporation (USA)
531587-1 PRIMARY Raytheon Company Dba Raytheon (USA)
SDL-98-2 Bliley Technologies Inc (USA)
531587-1 Spectrum Microwave, Inc. (USA)
SDL-98 Bliley Technologies Inc (USA)
051719-503 TYPE 4814 Micro Networks Corporation (USA)
531587-2 Raytheon Company Dba Raytheon (USA)
2515-1 St Olektron Corp (USA)
051719-503 TYPE 4814 Spectrum Microwave, Inc. Div Api Technologies - Rf2m Us (USA)
Related Parts
5940-00-143-4771INTERCHANGEABLE
TERMINAL,LUG
MS25036-103
5133-00-228-1348INTERCHANGEABLE
DRILL,TWIST
1650-00-228-4933INTERCHANGEABLE
GUIDE,RESERVOIR,HYDRAULIC
25151
5905-00-232-1848INTERCHANGEABLE
RESISTOR,ELECTRICAL
1960919-1
5330-00-465-5565INTERCHANGEABLE
SEAL,PLAIN ENCASED
02420481400
5310-00-489-7159INTERCHANGEABLE
LOCKNUT
5310-00-637-2511INTERCHANGEABLE
WASHER,LOCK
4814
5355-00-668-7896INTERCHANGEABLE
WINDOW,DIAL
B311-284
4820-00-825-3850INTERCHANGEABLE
VALVE,SAFETY RELIEF
0548-A01-KM0100
8040-01-039-8132INTERCHANGEABLE
ADHESIVE
5998-01-108-1775INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-167-4806INTERCHANGEABLE
SWITCH,FLOW
25151

Frequently Asked Questions

What is NSN 5999-00-437-6493?

NSN 5999-00-437-6493 is a Delay Line, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-437-6493?

NSN 5999-00-437-6493 has 10 cross-referenced part numbers: 4814 (Micro Networks Corporation), AL05179-503 (Micro Networks Corporation), 531587-1 (Raytheon Company Dba Raytheon), SDL-98-2 (Bliley Technologies Inc), 531587-1 (Spectrum Microwave, Inc.) and 5 more.

What NSN replaces 5999-00-437-6493?

There are 12 known substitutes for 5999-00-437-6493: 5940-00-143-4771, 5133-00-228-1348, 1650-00-228-4933 and 9 more. Verify interchangeability with system specifications before substitution.

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