PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8721Connector,receptacle,electrical

Western Union Telegraph Co Sub of Western Union Corp · NSN 5935-00-259-4415 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-259-4415 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-259-4415. Primary manufacturer part number: 8721.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Contact Removability: NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
  • Included Contact Type: U-SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Included Contact Quantity: 32 SINGLE MATING END SINGLE CONTACT GROUPING
  • Nominal Thread Size: 0.138 INCHES IN
  • Insert Material: PLASTIC SINGLE MATING END
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Body Length: 5.438 INCHES NOMINAL IN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-259-4415, 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 Western Union Telegraph Co Sub of Western Union Corp. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-259-4415
Primary Part Number8721
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerWestern Union Telegraph Co Sub of Western Union Corp
StatusACTIVE
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeU-SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity32 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.138 INCHES IN
Insert MaterialPLASTIC SINGLE MATING END
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Body Length5.438 INCHES NOMINAL IN
Threaded Device TypeMOUNTING HOLE
Body Width0.375 INCHES NOMINAL IN
Mating End Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length4.688 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-151-95608721 INTERCHANGEABLE
Bearing,roller,tapered
Eaton Corporation Dba Airflex Div Div Airflex
4820-00-238-6473 INTERCHANGEABLE
Valve,safety Relief
4730-00-326-2443 INTERCHANGEABLE
Restrictor Unit,fluid Flow
5360-00-446-8827D15-792JPC607 INTERCHANGEABLE
Spring,helical,compression
Northrop Grumman Systems Corporation Div Marine Systems
5305-00-738-07168721 INTERCHANGEABLE
Screw,shoulder
Circor Aerospace, Inc. Div Circor
5975-00-925-9314 INTERCHANGEABLE
Box Connector,electrical
5895-01-101-62988721 INTERCHANGEABLE
Divider,power,radio Frequency
Marc Alan Group the, Inc
5360-01-111-791175-LM INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5930-01-114-70598721 INTERCHANGEABLE
Switch,rotary
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5120-01-128-30567907108-00 INTERCHANGEABLE
Alignment Tool,electronic Equipm
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
8721 PRIMARY Western Union Telegraph Co Sub of Western Union Corp (USA)
Related Parts
3110-00-151-9560INTERCHANGEABLE
BEARING,ROLLER,TAPERED
8721
4820-00-238-6473INTERCHANGEABLE
VALVE,SAFETY RELIEF
4730-00-326-2443INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
5360-00-446-8827INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
D15-792JPC607
5305-00-738-0716INTERCHANGEABLE
SCREW,SHOULDER
8721
5975-00-925-9314INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5895-01-101-6298INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
8721
5360-01-111-7911INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
75-LM
5930-01-114-7059INTERCHANGEABLE
SWITCH,ROTARY
8721
5120-01-128-3056INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
7907108-00
4820-01-131-5917INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8721KM51M
4820-01-278-5587INTERCHANGEABLE
STEM,FLUID VALVE
8721

Frequently Asked Questions

What is NSN 5935-00-259-4415?

NSN 5935-00-259-4415 is a Connector,receptacle,electrical, manufactured by Western Union Telegraph Co Sub of Western Union Corp, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-259-4415?

NSN 5935-00-259-4415 has 1 cross-referenced part number: 8721 (Western Union Telegraph Co Sub of Western Union Corp).

What NSN replaces 5935-00-259-4415?

There are 12 known substitutes for 5935-00-259-4415: 3110-00-151-9560, 4820-00-238-6473, 4730-00-326-2443 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8721?

Key specifications for 8721: Overall Height: 0.156 INCHES NOMINAL IN; Contact Removability: NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING; Included Contact Type: U-SOCKET SINGLE MATING END SINGLE CONTACT GROUPING; Included Contact Quantity: 32 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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