PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1251Connector,receptacle,electrical

Cole Hersee Company · NSN 5935-00-987-4536 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-987-4536 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-987-4536. Primary manufacturer part number: 1251.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Criticality Code Justification: FEAT
  • Contact Maximum DC Voltage Rating in Volts: 24.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Distance Between Mounting Facility Centers: 2.940 INCHES NOMINAL IN
  • Shell Type: SOLID
  • Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
  • Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Removability: NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-987-4536, 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 Cole Hersee Company. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-987-4536
Primary Part Number1251
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerCole Hersee Company
StatusCANCELLED
Criticality Code JustificationFEAT
Contact Maximum DC Voltage Rating in Volts24.0 SINGLE MATING END SINGLE CONTACT GROUPING
Distance Between Mounting Facility Centers2.940 INCHES NOMINAL IN
Shell TypeSOLID
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Included Contact Quantity7 SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC SINGLE MATING END
Body StyleSTRAIGHT SHAPE W/FLANGE W/COVER
Connector Locking MethodFRICTION
Shell MaterialALUMINUM ALLOY
Bushing Accommodation Hole ShapeROUND
Bushing Diameter2.000 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.328 INCHES NOMINAL IN
Contact Maximum Current Rating in Amps15.0 SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6150-00-071-117962296 INTERCHANGEABLE
Cable Assembly,power,electrical
Viavi Solutionsllc
5935-00-153-439711-720 INTERCHANGEABLE
Connector,receptacle,electrical
Pollak Joseph Corp
5365-00-357-993212063 INTERCHANGEABLE
Bushing,nonmetallic
Cummins Power Generation Inc.
5935-00-440-9051 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5950-00-489-699612063 INTERCHANGEABLE
Transformer,power
Magnespec Inc
9150-00-728-9652 INTERCHANGEABLE
Lubricant,solid Film
9540-00-892-2351 INTERCHANGEABLE
Angle,structural
5305-01-146-165512063 INTERCHANGEABLE
Screw
Dana Commercial Vehicle Products, Llc
4820-01-370-90271206-3 INTERCHANGEABLE
Valve,purge
Culligan Intl Co Sub of Beatrice Companies Inc
5985-01-481-7653120-63 INTERCHANGEABLE
Antenna
Shakespeare Company, Llc Div Military Electronics
Cross-Reference Index
Part NumberManufacturer
5029209-061-101 Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA)
1221STK Cole Hersee Company (USA)
K-D-32279 Concord Instruments Corp (USA)
990S Cole Hersee Company (USA)
60244-95131 Textron Systems Corporation Dba Textron Systems Corp (USA)
12063 Cole Hersee Company (USA)
1251 PRIMARY Cole Hersee Company (USA)
66A9878 Eglin Air Force Base (USA)
77-S Pollack J O and Co (USA)
Related Parts
6150-00-071-1179INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
62296
5935-00-153-4397INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
11-720
5365-00-357-9932INTERCHANGEABLE
BUSHING,NONMETALLIC
12063
5935-00-440-9051INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5950-00-489-6996INTERCHANGEABLE
TRANSFORMER,POWER
12063
9150-00-728-9652INTERCHANGEABLE
LUBRICANT,SOLID FILM
9540-00-892-2351INTERCHANGEABLE
ANGLE,STRUCTURAL
5305-01-146-1655INTERCHANGEABLE
SCREW
12063
4820-01-370-9027INTERCHANGEABLE
VALVE,PURGE
1206-3
5985-01-481-7653INTERCHANGEABLE
ANTENNA
120-63
4710-01-518-0901INTERCHANGEABLE
TUBE ASSEMBLY SET,METALLIC

Frequently Asked Questions

What is NSN 5935-00-987-4536?

NSN 5935-00-987-4536 is a Connector,receptacle,electrical, manufactured by Cole Hersee Company, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-987-4536?

NSN 5935-00-987-4536 has 9 cross-referenced part numbers: 5029209-061-101 (Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions), 1221STK (Cole Hersee Company), K-D-32279 (Concord Instruments Corp), 990S (Cole Hersee Company), 60244-95131 (Textron Systems Corporation Dba Textron Systems Corp) and 4 more.

What NSN replaces 5935-00-987-4536?

There are 11 known substitutes for 5935-00-987-4536: 6150-00-071-1179, 5935-00-153-4397, 5365-00-357-9932 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1251?

Key specifications for 1251: Criticality Code Justification: FEAT; Contact Maximum DC Voltage Rating in Volts: 24.0 SINGLE MATING END SINGLE CONTACT GROUPING; Distance Between Mounting Facility Centers: 2.940 INCHES NOMINAL IN; Overall Length: 4.100 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-987-4536 still in active supply?

NSN 5935-00-987-4536 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.
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