PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

671Delay Line

Micro Networks Corporation · NSN 5999-00-679-3939 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-679-3939 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-679-3939. Primary manufacturer part number: 671.
Features
  • Delay Line — FSC 5999
  • Operating Temp Range: -40.0 TO 85.0 CELSIUS DEGC
  • Operating Temp Range: -40.0 TO 85.0 CELSIUS DEGC
  • 2 verified cross-references
  • Primary manufacturer: Micro Networks Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-679-3939, 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 Micro Networks Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5999-00-679-3939
Primary Part Number671
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerMicro Networks Corporation
StatusACTIVE
Operating Temp Range-40.0 TO 85.0 CELSIUS DEGC
Operating Temp Range-40.0 TO 85.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight0.1000 lbs
Cube0.0185 cu ft
Verified Substitutes 12
6625-00-059-8905671 SUCCESSOR
Lead,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5905-00-101-2769L50J5R0 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5210-00-181-167711155206 INTERCHANGEABLE
Attachment,indicato
Us Army Aviation and Missile Command
3040-00-223-8073671 INTERCHANGEABLE
Breather
Protectoseal Co Container Div
5120-00-240-52325120-00-240-5232 INTERCHANGEABLE
Screwdriver,offset
General Services Administration Federal Supply Service
5325-00-276-4945 INTERCHANGEABLE
Cap,snap Fastener
5340-00-370-9679 INTERCHANGEABLE
Deflector,dirt and Liquid
2520-00-447-9584671 INTERCHANGEABLE
Breather
Protectoseal Co Container Div
4910-00-473-7550 INTERCHANGEABLE
Sling,final Drive
2835-00-870-9916671 INTERCHANGEABLE
Vent Plate
Protectoseal Co Container Div
Cross-Reference Index
Part NumberManufacturer
9166053 Us Army Aviation and Missile Command (USA)
671 PRIMARY Micro Networks Corporation (USA)
Related Parts
6625-00-059-8905SUCCESSOR
LEAD,TEST
671
5905-00-101-2769INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
L50J5R0
5210-00-181-1677INTERCHANGEABLE
ATTACHMENT,INDICATO
11155206
3040-00-223-8073INTERCHANGEABLE
BREATHER
671
5120-00-240-5232INTERCHANGEABLE
SCREWDRIVER,OFFSET
5120-00-240-5232
5325-00-276-4945INTERCHANGEABLE
CAP,SNAP FASTENER
5340-00-370-9679INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
2520-00-447-9584INTERCHANGEABLE
BREATHER
671
4910-00-473-7550INTERCHANGEABLE
SLING,FINAL DRIVE
2835-00-870-9916INTERCHANGEABLE
VENT PLATE
671
5310-00-950-8267INTERCHANGEABLE
NUT,PLAIN,CLINCH
SN440-4
5330-01-124-6410INTERCHANGEABLE
GASKET
671

Frequently Asked Questions

What is NSN 5999-00-679-3939?

NSN 5999-00-679-3939 is a Delay Line, manufactured by Micro Networks Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-679-3939?

NSN 5999-00-679-3939 has 2 cross-referenced part numbers: 9166053 (Us Army Aviation and Missile Command), 671 (Micro Networks Corporation).

What NSN replaces 5999-00-679-3939?

There are 12 known substitutes for 5999-00-679-3939: 6625-00-059-8905, 5905-00-101-2769, 5210-00-181-1677 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 671?

Key specifications for 671: Operating Temp Range: -40.0 TO 85.0 CELSIUS DEGC; Operating Temp Range: -40.0 TO 85.0 CELSIUS DEGC. 2 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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