PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-17773CSwitching Unit,power Transfer

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6110-01-583-9255 · FSC 6110 · No Item Name Available
Verified by PartsTable
NSN 6110-01-583-9255 — this item is cataloged by the U.S. Government under National Stock Number 6110-01-583-9255. Primary manufacturer part number: MIL-PRF-17773C.
Features
  • Switching Unit,power Transfer — FSC 6110
  • 6 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Switching Unit,power Transfer, cataloged under National Stock Number 6110-01-583-9255, is classified within Federal Supply Class 6110 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameSwitching Unit,power Transfer
FSC / FSG6110 — No Item Name Available (FSG 61)
ManufacturersMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Ward Leonard Ct Llc (CAGE 63743)
Technical Specifications
ParameterValue
NSN6110-01-583-9255
Primary Part NumberMIL-PRF-17773C
Item NameSwitching Unit,power Transfer
FSC / FSG6110 / 61 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
6110-01-262-6618 INTERCHANGEABLE
Switching Unit,power Transfer
6110-01-270-8602 INTERCHANGEABLE
Switching Unit,power Transfer
6110-01-409-139894231009A2D INTERCHANGEABLE
Switching Unit,power Transfer
Automatic Switch Company Dba Asco
6110-01-423-0739 INTERCHANGEABLE
Switching Unit,power Transfer
6110-01-469-0671 INTERCHANGEABLE
Switching Unit,power Transfer
6110-01-513-4489 INTERCHANGEABLE
Switching Unit,power Transfer
5930-01-579-474321369.983-3 INTERCHANGEABLE
Bus Transfer Switch
Ward Leonard Ct Llc
6110-01-579-5480N279-910241 INTERCHANGEABLE
Switching Unit,power Transfer
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-17773C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M17773-4A03X300D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
24987.25 Ward Leonard Ct Llc (USA)
24987.25PC1E Ward Leonard Ct Llc (USA)
MIL-PRF-17773 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
21369-983-3 Ward Leonard Ct Llc (USA)
Related Parts
6110-01-262-6618INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
6110-01-270-8602INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
6110-01-409-1398INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
94231009A2D
6110-01-423-0739INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
6110-01-469-0671INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
6110-01-513-4489INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
5930-01-579-4743INTERCHANGEABLE
BUS TRANSFER SWITCH
21369.983-3
6110-01-579-5480INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
N279-910241

Frequently Asked Questions

What is NSN 6110-01-583-9255?

NSN 6110-01-583-9255 is a Switching Unit,power Transfer, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6110 (No Item Name Available). Status: active.

What are the part numbers for NSN 6110-01-583-9255?

NSN 6110-01-583-9255 has 6 cross-referenced part numbers: MIL-PRF-17773C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M17773-4A03X300D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 24987.25 (Ward Leonard Ct Llc), 24987.25PC1E (Ward Leonard Ct Llc), MIL-PRF-17773 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 6110-01-583-9255?

There are 8 known substitutes for 6110-01-583-9255: 6110-01-262-6618, 6110-01-270-8602, 6110-01-409-1398 and 5 more. Verify interchangeability with system specifications before substitution.

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