PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51104Contact,electrical

Kleinschmidt Inc · NSN 5999-00-502-9425 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-502-9425 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-502-9425. Primary manufacturer part number: 51104.
Features
  • Contact,electrical — FSC 5999
  • Thread Class: 2B
  • Overall Diameter: 0.172 INCHES NOMINAL IN
  • Nominal Thread Size: 0.164 INCHES IN
  • Material: COPPER ALLOY BODY
  • Surface Treatment: SILVER BODY
  • Thread Direction: RIGHT-HAND
  • Mounting Facility Quantity: 1
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-502-9425, 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 Kleinschmidt Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-00-502-9425
Primary Part Number51104
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Thread Class2B
Overall Diameter0.172 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES IN
MaterialCOPPER ALLOY BODY
Surface TreatmentSILVER BODY
Thread DirectionRIGHT-HAND
Mounting Facility Quantity1
Mounting MethodTHREADED HOLE(S)
Thread Class2B
Overall Diameter0.172 INCHES NOMINAL IN
Nominal Thread Size0.164 INCHES IN
MaterialCOPPER ALLOY BODY
Surface TreatmentSILVER BODY
Thread DirectionRIGHT-HAND
Mounting Facility Quantity1
Mounting MethodTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-147-4303123-309 INTERCHANGEABLE
Coil,radio Frequency
Avionics Specialties, Inc.
2940-00-203-310251104 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5133-00-236-3414 INTERCHANGEABLE
Drill,twist
5310-00-350-013951104 INTERCHANGEABLE
Washer,key
Meritor Heavy Vehicle Systems, Llc
1680-00-408-907251104 INTERCHANGEABLE
Universal Joint,aircraft
Dressta North America Ltd
3110-00-761-657719280 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
4320-01-149-48751159SCH202-1 INTERCHANGEABLE
Pump,rotary
Northrop Grumman Systems Corporation
5120-01-518-2100RM16 INTERCHANGEABLE
Mallet,rubber
Westward Corp
Cross-Reference Index
Part NumberManufacturer
51104 Kleinschmidt Inc (USA)
Related Parts
5950-00-147-4303INTERCHANGEABLE
COIL,RADIO FREQUENCY
123-309
2940-00-203-3102INTERCHANGEABLE
FILTER ELEMENT,FLUID
51104
5133-00-236-3414INTERCHANGEABLE
DRILL,TWIST
5310-00-350-0139INTERCHANGEABLE
WASHER,KEY
51104
1680-00-408-9072INTERCHANGEABLE
UNIVERSAL JOINT,AIRCRAFT
51104
3110-00-761-6577INTERCHANGEABLE
BEARING,BALL,THRUST
19280
4320-01-149-4875INTERCHANGEABLE
PUMP,ROTARY
1159SCH202-1
5120-01-518-2100INTERCHANGEABLE
MALLET,RUBBER
RM16

Frequently Asked Questions

What is NSN 5999-00-502-9425?

NSN 5999-00-502-9425 is a Contact,electrical, manufactured by Kleinschmidt Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-502-9425?

NSN 5999-00-502-9425 has 1 cross-referenced part number: 51104 (Kleinschmidt Inc).

What NSN replaces 5999-00-502-9425?

There are 8 known substitutes for 5999-00-502-9425: 5950-00-147-4303, 2940-00-203-3102, 5133-00-236-3414 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51104?

Key specifications for 51104: Thread Class: 2B; Overall Length: 1.062 INCHES NOMINAL IN; Overall Diameter: 0.172 INCHES NOMINAL IN; Nominal Thread Size: 0.164 INCHES IN. 18 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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