PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L20-05Delay Line

Shallcross Inc · NSN 5999-01-045-4155 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-045-4155 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-045-4155. Primary manufacturer part number: L20-05.
Features
  • Delay Line — FSC 5999
  • 3 verified cross-references
  • Primary manufacturer: Shallcross Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-01-045-4155, 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 Shallcross Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists 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)
ManufacturersShallcross Inc (CAGE 54294); Compaq Federal Llc (CAGE 15476)
Technical Specifications
ParameterValue
NSN5999-01-045-4155
Primary Part NumberL20-05
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerShallcross Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Verified Substitutes 1
1560-00-700-1580L2005-501 INTERCHANGEABLE
Plugstat
Calculagraph Company Dba Control Products, Inc.
Cross-Reference Index
Part NumberManufacturer
L20-05 PRIMARY Shallcross Inc (USA)
16-05529-00 PRIMARY Compaq Federal Llc (USA)
1605529 Compaq Federal Llc (USA)
Related Parts
1560-00-700-1580INTERCHANGEABLE
PLUGSTAT
L2005-501

Frequently Asked Questions

What is NSN 5999-01-045-4155?

NSN 5999-01-045-4155 is a Delay Line, manufactured by Shallcross Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-045-4155?

NSN 5999-01-045-4155 has 3 cross-referenced part numbers: L20-05 (Shallcross Inc), 16-05529-00 (Compaq Federal Llc), 1605529 (Compaq Federal Llc).

What NSN replaces 5999-01-045-4155?

There is 1 known substitute for 5999-01-045-4155: 1560-00-700-1580. Verify interchangeability with system specifications before substitution.

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