PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1251-0613Contact,electrical

Keysight Technologies Inc · NSN 5999-01-135-3664 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-135-3664 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-135-3664. Primary manufacturer part number: 1251-0613.
Features
  • Contact,electrical — FSC 5999
  • Mounting Method: TERMINAL
  • Cable Entrance Diameter: 0.015 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
  • Material: COPPER ALLOY BODY AND CONTACT
  • Surface Treatment: NICKEL BODY AND CONTACT
  • Style Designator: IRREGULAR SHAPE
  • Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END
  • Mounting Method: TERMINAL
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-135-3664, is classified within Federal Supply Class 5999 (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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-135-3664
Primary Part Number1251-0613
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Mounting MethodTERMINAL
Cable Entrance Diameter0.015 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
MaterialCOPPER ALLOY BODY AND CONTACT
Surface TreatmentNICKEL BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Mounting MethodTERMINAL
Cable Entrance Diameter0.015 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
MaterialCOPPER ALLOY BODY AND CONTACT
Surface TreatmentNICKEL BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2940-01-426-302812510613 INTERCHANGEABLE
Head,fluid Filter
U S Army Tank Automotive Command Amsta-Im-Mm
4730-01-517-78523500192 INTERCHANGEABLE
Coupling Half,quick Disconnect
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
350019-2 Te Connectivity Corporation (USA)
131-1818-00 Tektronix, Inc. (USA)
1251-0613 Hewlett-Packard Company Dba HP (USA)
1251-0613 Keysight Technologies, Inc. (USA)
1251-0613 PRIMARY Keysight Technologies Inc (USA)
Related Parts
2940-01-426-3028INTERCHANGEABLE
HEAD,FLUID FILTER
12510613
4730-01-517-7852INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3500192

Frequently Asked Questions

What is NSN 5999-01-135-3664?

NSN 5999-01-135-3664 is a Contact,electrical, manufactured by Keysight Technologies Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-135-3664?

NSN 5999-01-135-3664 has 5 cross-referenced part numbers: 350019-2 (Te Connectivity Corporation), 131-1818-00 (Tektronix, Inc.), 1251-0613 (Hewlett-Packard Company Dba HP), 1251-0613 (Keysight Technologies, Inc.), 1251-0613 (Keysight Technologies Inc).

What NSN replaces 5999-01-135-3664?

There are 2 known substitutes for 5999-01-135-3664: 2940-01-426-3028, 4730-01-517-7852. Verify interchangeability with system specifications before substitution.

What are the specifications of 1251-0613?

Key specifications for 1251-0613: Overall Length: 0.680 INCHES NOMINAL IN; Mounting Method: TERMINAL; Cable Entrance Diameter: 0.015 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Material: COPPER ALLOY BODY AND CONTACT. 14 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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