PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

107.9-1Contact Assembly,electrical

Ward Leonard Ct Llc · NSN 5999-01-303-0573 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-303-0573 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-303-0573. Primary manufacturer part number: 107.9-1.
Features
  • Contact Assembly,electrical — FSC 5999
  • 2 verified cross-references
  • Primary manufacturer: Ward Leonard Ct Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact Assembly,electrical, cataloged under National Stock Number 5999-01-303-0573, 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 Ward Leonard Ct Llc. 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. Unit of issue: EA.

Catalog Facts
Item NameContact Assembly,electrical
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersMichigan Fire Extinguisher P O Box 190014 Burton Mi 48519-0014 (CAGE 68743); Ward Leonard Ct Llc (CAGE 63743)
Technical Specifications
ParameterValue
NSN5999-01-303-0573
Primary Part Number107.9-1
Item NameContact Assembly,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
4820-00-036-1649N10791 INTERCHANGEABLE
Rod,connecting
Leslie Controls, Inc. Dba Leslie Controls Inc
5977-00-075-5603 INTERCHANGEABLE
Brush,electrical Contact
4820-00-229-29911079-1 INTERCHANGEABLE
Valve,relief,pressure and Temper
Pneudraulics, Inc.
5945-00-280-1567 INTERCHANGEABLE
Relay,electromagnetic
5950-00-460-9964577R729H12 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-840-568910791 INTERCHANGEABLE
Voltmeter
Continental Electronics Corp
5950-01-011-3189SM-D-413663 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-01-032-190610791 INTERCHANGEABLE
Transformer,power
Giga-Tronics Incorporated Dba Giga-Tronics
5905-01-098-0578201666-511 INTERCHANGEABLE
Resistor Network,fixed,film
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4320-01-187-122010791 INTERCHANGEABLE
Parts Kit,centrifugal Pump
Oberdorfer Foundries Inc
Cross-Reference Index
Part NumberManufacturer
107.9-1 Michigan Fire Extinguisher P O Box 190014 Burton Mi 48519-0014 (USA)
107.9-1 PRIMARY Ward Leonard Ct Llc (USA)
Related Parts
4820-00-036-1649INTERCHANGEABLE
ROD,CONNECTING
N10791
5977-00-075-5603INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4820-00-229-2991INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
1079-1
5945-00-280-1567INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5950-00-460-9964INTERCHANGEABLE
COIL,RADIO FREQUENCY
577R729H12
6625-00-840-5689INTERCHANGEABLE
VOLTMETER
10791
5950-01-011-3189INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-413663
5950-01-032-1906INTERCHANGEABLE
TRANSFORMER,POWER
10791
5905-01-098-0578INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
201666-511
4320-01-187-1220INTERCHANGEABLE
PARTS KIT,CENTRIFUGAL PUMP
10791
2540-01-496-7132INTERCHANGEABLE
COUPLER,DRAWBAR,RING
1079-1
4320-01-594-1928INTERCHANGEABLE
AIR STRAINER,SPEC
10791

Frequently Asked Questions

What is NSN 5999-01-303-0573?

NSN 5999-01-303-0573 is a Contact Assembly,electrical, manufactured by Ward Leonard Ct Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-303-0573?

NSN 5999-01-303-0573 has 2 cross-referenced part numbers: 107.9-1 (Michigan Fire Extinguisher P O Box 190014 Burton Mi 48519-0014), 107.9-1 (Ward Leonard Ct Llc).

What NSN replaces 5999-01-303-0573?

There are 12 known substitutes for 5999-01-303-0573: 4820-00-036-1649, 5977-00-075-5603, 4820-00-229-2991 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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