PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1203-21-9Connector,plug,electrical

Winchester Interconnect Corporation · NSN 5935-01-444-4901 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-444-4901 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-444-4901. Primary manufacturer part number: 1203-21-9.
Features
  • Connector,plug,electrical — FSC 5935
  • Overall Diameter: 0.730 INCHES NOMINAL IN
  • Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING
  • Mating End Quantity: 1
  • Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING
  • Terminal Type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Position Arrangement Style: N SINGLE MATING END
  • Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-01-444-4901, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Winchester Interconnect Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-444-4901
Primary Part Number1203-21-9
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation
StatusACTIVE
Overall Diameter0.730 INCHES NOMINAL IN
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Mating End Quantity1
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement StyleN SINGLE MATING END
Reference Number Differentiating CharacteristicsITEM IS FAA CERTIFIED
Precious MaterialGOLD
Contact MaterialGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACTS GOLD
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5999-00-931-623810222961 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
1203-21-9 Winchester Interconnect Corporation (USA)
Related Parts
5999-00-931-6238INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
10222961

Frequently Asked Questions

What is NSN 5935-01-444-4901?

NSN 5935-01-444-4901 is a Connector,plug,electrical, manufactured by Winchester Interconnect Corporation, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-444-4901?

NSN 5935-01-444-4901 has 1 cross-referenced part number: 1203-21-9 (Winchester Interconnect Corporation).

What NSN replaces 5935-01-444-4901?

There is 1 known substitute for 5935-01-444-4901: 5999-00-931-6238. Verify interchangeability with system specifications before substitution.

What are the specifications of 1203-21-9?

Key specifications for 1203-21-9: Overall Diameter: 0.730 INCHES NOMINAL IN; Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING; Mating End Quantity: 1; Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING. 13 total characteristics are documented in the Federal Logistics Information System.

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