PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

508-9-21878Connector,receptacle,electrical

British Aerospace Land & Sea Systems, Post Design Services · NSN 5935-00-966-1420 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-966-1420 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-966-1420. Primary manufacturer part number: 508-9-21878.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Thread Quantity Per Inch: 32
  • Shell Material: COPPER ALLOY
  • Shell Type: SOLID
  • Thread Direction: RIGHT-HAND
  • Connector Locking Method: FRICTION
  • Distance From Mounting Shoulder to Front Face: 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
  • Threaded Device Type: MOUNTING BUSHING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-966-1420, 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 British Aerospace Land & Sea Systems, Post Design Services. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-966-1420
Primary Part Number508-9-21878
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerBritish Aerospace Land & Sea Systems, Post Design Services
StatusACTIVE
Thread Quantity Per Inch32
Shell MaterialCOPPER ALLOY
Shell TypeSOLID
Thread DirectionRIGHT-HAND
Connector Locking MethodFRICTION
Distance From Mounting Shoulder to Front Face0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
Threaded Device TypeMOUNTING BUSHING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNF
Contact Position Arrangement StyleNONSTD SINGLE MATING END
Thread Class2A A
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Connector Cable Strain Relief MethodCOMPRESSION NUT
Included Contact TypeCOAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts400.0 SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC SINGLE MATING END
Nominal Thread Size0.190 INCHES IN
Mating End Quantity1
Cable Entrance Diameter0.111 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Contact Maximum Current Rating in Amps1.5 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Bushing Accommodation Hole ShapeROUND W/FLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-155-6335 INTERCHANGEABLE
Bearing,ball,annular
5120-00-697-04813220 INTERCHANGEABLE
Jack Set,gage Pointer
Ashcroft Inc Dba Heise
5999-01-069-3527700-171 INTERCHANGEABLE
Contact,electrical
Souriau Usa, Inc. Dba Souriau Usa Inc
5330-01-145-7501700-171 INTERCHANGEABLE
Seal
W a Whitney Co Dba Whitney
4460-01-256-90942-007 INTERCHANGEABLE
Filter,air,electrostatic
Alberts B J Co Inc
5340-01-354-5753700-171 INTERCHANGEABLE
Insert,self-Locking
Naval Inventory Control Point
Cross-Reference Index
Part NumberManufacturer
508-9-21878 British Aerospace Land & Sea Systems, Post Design Services (GBR)
1105D Rfs Technologies, Inc. (USA)
508-9-21878 Leonardo Uk Ltd (GBR)
GG6907-708-819 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
GG6707-908-819 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
GG6907-908-819 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
09-8050-0670C Palco Connector Inc. (USA)
MDC203/003 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
151-333-1 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
73-805139-5 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
151-333-1 Litton Systems Inc Amecom Div (USA)
09-1580-0670C Palco Connector Inc. (USA)
3103BA Itt Cannon Rf Products (USA)
700171 Rfs Technologies, Inc. (USA)
51-010-0000 Itt Cannon Rf Products (USA)
Related Parts
3110-00-155-6335INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-697-0481INTERCHANGEABLE
JACK SET,GAGE POINTER
3220
5999-01-069-3527INTERCHANGEABLE
CONTACT,ELECTRICAL
700-171
5330-01-145-7501INTERCHANGEABLE
SEAL
700-171
4460-01-256-9094INTERCHANGEABLE
FILTER,AIR,ELECTROSTATIC
2-007
5340-01-354-5753INTERCHANGEABLE
INSERT,SELF-LOCKING
700-171

Frequently Asked Questions

What is NSN 5935-00-966-1420?

NSN 5935-00-966-1420 is a Connector,receptacle,electrical, manufactured by British Aerospace Land & Sea Systems, Post Design Services, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-966-1420?

NSN 5935-00-966-1420 has 15 cross-referenced part numbers: 508-9-21878 (British Aerospace Land & Sea Systems, Post Design Services), 1105D (Rfs Technologies, Inc.), 508-9-21878 (Leonardo Uk Ltd), GG6907-708-819 (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector), GG6707-908-819 (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector) and 10 more.

What NSN replaces 5935-00-966-1420?

There are 6 known substitutes for 5935-00-966-1420: 3110-00-155-6335, 5120-00-697-0481, 5999-01-069-3527 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 508-9-21878?

Key specifications for 508-9-21878: Thread Quantity Per Inch: 32; Shell Material: COPPER ALLOY; Shell Type: SOLID; Thread Direction: RIGHT-HAND. 26 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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