PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51117Delay Line

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5999-00-644-4580 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-644-4580 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-644-4580. Primary manufacturer part number: 51117.
Features
  • Delay Line — FSC 5999
  • Individual Section Quantity: 1
  • Signal Delay Method: INDUCTANCE
  • Individual Section Quantity: 1
  • Signal Delay Method: INDUCTANCE
  • 3 verified cross-references
  • Primary manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Delay Line, cataloged under National Stock Number 5999-00-644-4580, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-644-4580
Primary Part Number51117
Item NameDelay Line
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusCANCELLED
Individual Section Quantity1
Signal Delay MethodINDUCTANCE
Individual Section Quantity1
Signal Delay MethodINDUCTANCE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 7
3030-00-050-7229V38 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
6210-00-067-8354 INTERCHANGEABLE
Lens,light
3010-00-351-7998 INTERCHANGEABLE
Disk,clutch,nonvehicular
2940-00-365-8061 INTERCHANGEABLE
Filter Element,fluid
3120-01-352-830451117 INTERCHANGEABLE
Bearing,washer,thrust
Palfinger Marine Usa, Llc
5365-01-460-882851117 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1005-01-487-244951117 INTERCHANGEABLE
Bolt,breech
American Apex Corporation
Cross-Reference Index
Part NumberManufacturer
51117REVD L3harris Technologies, Inc Div Space & Airborne Systems (USA)
A51117REVD L3harris Technologies, Inc Div Space & Airborne Systems (USA)
51117 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3030-00-050-7229INTERCHANGEABLE
BELT,V
V38
6210-00-067-8354INTERCHANGEABLE
LENS,LIGHT
3010-00-351-7998INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
2940-00-365-8061INTERCHANGEABLE
FILTER ELEMENT,FLUID
3120-01-352-8304INTERCHANGEABLE
BEARING,WASHER,THRUST
51117
5365-01-460-8828INTERCHANGEABLE
SPACER,SLEEVE
51117
1005-01-487-2449INTERCHANGEABLE
BOLT,BREECH
51117

Frequently Asked Questions

What is NSN 5999-00-644-4580?

NSN 5999-00-644-4580 is a Delay Line, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-644-4580?

NSN 5999-00-644-4580 has 3 cross-referenced part numbers: 51117REVD (L3harris Technologies, Inc Div Space & Airborne Systems), A51117REVD (L3harris Technologies, Inc Div Space & Airborne Systems), 51117 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5999-00-644-4580?

There are 7 known substitutes for 5999-00-644-4580: 3030-00-050-7229, 6210-00-067-8354, 3010-00-351-7998 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51117?

Key specifications for 51117: Individual Section Quantity: 1; Signal Delay Method: INDUCTANCE; Individual Section Quantity: 1; Signal Delay Method: INDUCTANCE. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-644-4580 still in active supply?

NSN 5999-00-644-4580 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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