PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1251-0056Connector,receptacle,electrical

Keysight Technologies Inc · NSN 5935-00-804-5136 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-804-5136 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-804-5136. Primary manufacturer part number: 1251-0056.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Center to Center Distance Between Mounting Facilities Parallel to Height: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
  • Mating End Quantity: 1
  • Contact Surface Treatment Document and Classification: MIL-G-45204,TYPE 1,GRADE B MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 1,GRADE B FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Maximum AC Voltage Rating in Volts: 500.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Insert Material: RUBBER SINGLE MATING END
  • Shell Type: SOLID
  • Contact Position Arrangement Style: 22-14 SINGLE MATING END
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-804-5136, 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 Keysight Technologies Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-804-5136
Primary Part Number1251-0056
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Height1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
Mating End Quantity1
Contact Surface Treatment Document and ClassificationMIL-G-45204,TYPE 1,GRADE B MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 1,GRADE B FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialRUBBER SINGLE MATING END
Shell TypeSOLID
Contact Position Arrangement Style22-14 SINGLE MATING END
Contact Maximum Current Rating in Amps22.0 SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT SURFACES GOLD
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch18
Contact Maximum DC Voltage Rating in Volts700.0 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size1.375 INCHES IN
Included Contact Quantity19 SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES
Precious Material and Weight0.019 GOLD GRAINS, TROY
Insert Position in Deg0.0
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Contact Surface TreatmentGOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
Operating Temp Rating-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
Shell Surface TreatmentCADMIUM AND CHROMATE
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Connector Locking MethodEXTERNALLY THREADED SHELL
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5330-00-385-792726560010 INTERCHANGEABLE
Gasket
Westerbeke Corporation
5330-00-876-96481947521 INTERCHANGEABLE
Gasket
Chrysler Realty Company Llc Dba Daimler Chrysler
6660-00-932-831112593 INTERCHANGEABLE
Recorder,weather Data
Belfort Instrument Company
3030-01-199-3088125-93 INTERCHANGEABLE
Belt,v
Prj Equipment Co
6220-01-203-699812593 INTERCHANGEABLE
Plate
Grimes Aerospace Company
5930-01-420-4280125-93 INTERCHANGEABLE
Switch,rotary
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5330-01-474-434069399R2284S INTERCHANGEABLE
Gasket
Hamilton Sundstrand Corporation Dba Collins Aerospace
5340-01-560-428312510056 INTERCHANGEABLE
Bracket,angle
U S Army Tank Automotive Command Amsta-Im-Mm
6530-01-575-785560-8040-001 INTERCHANGEABLE
Cart,medical Equipment and Instr
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
Cross-Reference Index
Part NumberManufacturer
125-93 Hewlett-Packard Company Dba HP (USA)
125-93 Keysight Technologies, Inc. (USA)
1251-0056 Keysight Technologies, Inc. (USA)
1251-0056 PRIMARY Keysight Technologies Inc (USA)
125-93 PRIMARY Keysight Technologies Inc (USA)
1251-0056 Hewlett-Packard Company Dba HP (USA)
Related Parts
5330-00-385-7927INTERCHANGEABLE
GASKET
26560010
5330-00-876-9648INTERCHANGEABLE
GASKET
1947521
6660-00-932-8311INTERCHANGEABLE
RECORDER,WEATHER DATA
12593
3030-01-199-3088INTERCHANGEABLE
BELT,V
125-93
6220-01-203-6998INTERCHANGEABLE
PLATE
12593
5930-01-420-4280INTERCHANGEABLE
SWITCH,ROTARY
125-93
5330-01-474-4340INTERCHANGEABLE
GASKET
69399R2284S
5340-01-560-4283INTERCHANGEABLE
BRACKET,ANGLE
12510056
6530-01-575-7855INTERCHANGEABLE
CART,MEDICAL EQUIPMENT AND INSTR
60-8040-001

Frequently Asked Questions

What is NSN 5935-00-804-5136?

NSN 5935-00-804-5136 is a Connector,receptacle,electrical, manufactured by Keysight Technologies Inc, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-804-5136?

NSN 5935-00-804-5136 has 6 cross-referenced part numbers: 125-93 (Hewlett-Packard Company Dba HP), 125-93 (Keysight Technologies, Inc.), 1251-0056 (Keysight Technologies, Inc.), 1251-0056 (Keysight Technologies Inc), 125-93 (Keysight Technologies Inc) and 1 more.

What NSN replaces 5935-00-804-5136?

There are 9 known substitutes for 5935-00-804-5136: 5330-00-385-7927, 5330-00-876-9648, 6660-00-932-8311 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1251-0056?

Key specifications for 1251-0056: Center to Center Distance Between Mounting Facilities Parallel to Height: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN; Mating End Quantity: 1; Overall Height: 1.656 INCHES MAXIMUM IN; Contact Surface Treatment Document and Classification: MIL-G-45204,TYPE 1,GRADE B MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 1,GRADE B FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-804-5136 still in active supply?

NSN 5935-00-804-5136 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com