PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

680-0031Delay Line

Autek Systems Corp · NSN 5999-01-309-2104 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-309-2104 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-309-2104. Primary manufacturer part number: 680-0031.
Features
  • Delay Line — FSC 5999
  • 1 verified cross-reference
  • Primary manufacturer: Autek Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-01-309-2104, 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 Autek Systems Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDelay Line
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersAutek Systems Corp (CAGE 54817)
Technical Specifications
ParameterValue
NSN5999-01-309-2104
Primary Part Number680-0031
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerAutek Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-820-7017C13B INTERCHANGEABLE
Valve,vent
Keen Manufacturing Inc
5905-01-128-7072144-546-1 INTERCHANGEABLE
Resistor Network,fixed,film
Bi Technologies Corporation Div Bi Technologies Corp.
5930-01-235-0550 INTERCHANGEABLE
Switch
Cross-Reference Index
Part NumberManufacturer
680-0031 PRIMARY Autek Systems Corp (USA)
Related Parts
4820-00-820-7017INTERCHANGEABLE
VALVE,VENT
C13B
5905-01-128-7072INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
144-546-1
5930-01-235-0550INTERCHANGEABLE
SWITCH

Frequently Asked Questions

What is NSN 5999-01-309-2104?

NSN 5999-01-309-2104 is a Delay Line, manufactured by Autek Systems Corp, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-309-2104?

NSN 5999-01-309-2104 has 1 cross-referenced part number: 680-0031 (Autek Systems Corp).

What NSN replaces 5999-01-309-2104?

There are 3 known substitutes for 5999-01-309-2104: 4820-00-820-7017, 5905-01-128-7072, 5930-01-235-0550. Verify interchangeability with system specifications before substitution.

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