PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11374Contact,electrical

Cooper Industries Inc Champion Aviation Products · NSN 5999-00-683-1339 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-683-1339 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-683-1339. Primary manufacturer part number: 11374.
Features
  • Contact,electrical — FSC 5999
  • Distance Between Mounting Facility Centers: 0.375 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY
  • Terminal Type and Quantity: 2 EYELET CENTER
  • Surface Treatment: SILVER BODY AND CONTACT
  • Precious Material and Location: BODY AND CONTACT SURFACES SILVER
  • Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Applications
  • Applications requiring Copper Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-683-1339, 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 Cooper Industries Inc Champion Aviation Products. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-683-1339
Primary Part Number11374
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCooper Industries Inc Champion Aviation Products
StatusCANCELLED
Distance Between Mounting Facility Centers0.375 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
Precious Material and Weight0.005 SILVER GRAINS, TROY
Terminal Type and Quantity2 EYELET CENTER
Surface TreatmentSILVER BODY AND CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES SILVER
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
MaterialCOPPER ALLOY BODY AND CONTACT
Precious MaterialSILVER
Unthreaded Mounting Hole Diameter0.136 INCHES NOMINAL IN
Style DesignatorRECTANGULAR SHAPE
Mounting Facility Quantity2
Mounting MethodUNTHREADED HOLE(S)
Distance Between Mounting Facility Centers0.375 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
Precious Material and Weight0.005 SILVER GRAINS, TROY
Terminal Type and Quantity2 EYELET CENTER
Surface TreatmentSILVER BODY AND CONTACT
Precious Material and LocationBODY AND CONTACT SURFACES SILVER
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
MaterialCOPPER ALLOY BODY AND CONTACT
Precious MaterialSILVER
Unthreaded Mounting Hole Diameter0.136 INCHES NOMINAL IN
Style DesignatorRECTANGULAR SHAPE
Mounting Facility Quantity2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.0150 lbs
Cube0.0076 cu ft
Verified Substitutes 8
3120-00-082-5968HH21 INTERCHANGEABLE
Bushing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
4330-00-155-820512521204-9-2 INTERCHANGEABLE
Filter,fluid
Jered Llc
5133-00-189-9304 INTERCHANGEABLE
Drill,twist
6220-00-266-805811374 INTERCHANGEABLE
Retainer and Plate
Grimes Aerospace Company
5340-00-703-492511374 INTERCHANGEABLE
Seat,helical Compression Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5136-00-729-5694 INTERCHANGEABLE
Tap,thread Cutting
5136-00-729-5709 INTERCHANGEABLE
Tap,thread Cutting
5310-01-440-578511374 INTERCHANGEABLE
Washer,flat
Cone Drive Operations Inc
Cross-Reference Index
Part NumberManufacturer
11374 Cooper Industries Inc Champion Aviation Products (USA)
521-11374 Technical Industrial Associates Inc (USA)
521-11374 Protech Inc (USA)
11374 Ieh Corporation (USA)
Related Parts
3120-00-082-5968INTERCHANGEABLE
BUSHING,SLEEVE
HH21
4330-00-155-8205INTERCHANGEABLE
FILTER,FLUID
12521204-9-2
5133-00-189-9304INTERCHANGEABLE
DRILL,TWIST
6220-00-266-8058INTERCHANGEABLE
RETAINER AND PLATE
11374
5340-00-703-4925INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
11374
5136-00-729-5694INTERCHANGEABLE
TAP,THREAD CUTTING
5136-00-729-5709INTERCHANGEABLE
TAP,THREAD CUTTING
5310-01-440-5785INTERCHANGEABLE
WASHER,FLAT
11374

Frequently Asked Questions

What is NSN 5999-00-683-1339?

NSN 5999-00-683-1339 is a Contact,electrical, manufactured by Cooper Industries Inc Champion Aviation Products, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-683-1339?

NSN 5999-00-683-1339 has 4 cross-referenced part numbers: 11374 (Cooper Industries Inc Champion Aviation Products), 521-11374 (Technical Industrial Associates Inc), 521-11374 (Protech Inc), 11374 (Ieh Corporation).

What NSN replaces 5999-00-683-1339?

There are 8 known substitutes for 5999-00-683-1339: 3120-00-082-5968, 4330-00-155-8205, 5133-00-189-9304 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11374?

Key specifications for 11374: Distance Between Mounting Facility Centers: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT; Precious Material and Weight: 0.005 SILVER GRAINS, TROY; Terminal Type and Quantity: 2 EYELET CENTER. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-683-1339 still in active supply?

NSN 5999-00-683-1339 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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