PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1250-0266Contact,electrical

Keysight Technologies Inc · NSN 5999-01-281-3937 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-281-3937 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-281-3937. Primary manufacturer part number: 1250-0266.
Features
  • Contact,electrical — FSC 5999
  • 4 verified cross-references
  • Primary manufacturer: Keysight Technologies Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-281-3937, 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. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameContact,electrical
FSC / FSG5999 — No Item Name Available (FSG 59)
ManufacturersHewlett-Packard Company Dba HP (CAGE 28480); Specialty Connector Co Inc (CAGE 24931); Keysight Technologies Inc (CAGE 7ZXR5); Keysight Technologies, Inc. (CAGE 1LQK8)
Technical Specifications
ParameterValue
NSN5999-01-281-3937
Primary Part Number1250-0266
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 2
6220-00-944-27781423-1 INTERCHANGEABLE
Light,landing,aircraft
Control Products Corporation
6150-01-110-5876C1243 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
Cross-Reference Index
Part NumberManufacturer
1250-0266 Hewlett-Packard Company Dba HP (USA)
C124-3 Specialty Connector Co Inc (USA)
1250-0266 PRIMARY Keysight Technologies Inc (USA)
1250-0266 Keysight Technologies, Inc. (USA)
Related Parts
6220-00-944-2778INTERCHANGEABLE
LIGHT,LANDING,AIRCRAFT
1423-1
6150-01-110-5876INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
C1243

Frequently Asked Questions

What is NSN 5999-01-281-3937?

NSN 5999-01-281-3937 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 5999-01-281-3937?

NSN 5999-01-281-3937 has 4 cross-referenced part numbers: 1250-0266 (Hewlett-Packard Company Dba HP), C124-3 (Specialty Connector Co Inc), 1250-0266 (Keysight Technologies Inc), 1250-0266 (Keysight Technologies, Inc.).

What NSN replaces 5999-01-281-3937?

There are 2 known substitutes for 5999-01-281-3937: 6220-00-944-2778, 6150-01-110-5876. Verify interchangeability with system specifications before substitution.

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