PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

643985Terminal,feedthru

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5940-00-333-6166 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-333-6166 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-333-6166. Primary manufacturer part number: 643985.
Features
  • Terminal,feedthru — FSC 5940
  • Precious Material: GOLD AND SILVER
  • Precious Material and Location: OUTER SURFACES GOLD AND INNER SURFACES SILVER
  • Major Bushing Diameter: 0.250 INCHES IN
  • First End Terminal Length: 0.299 INCHES IN
  • Surface Treatment: SILVER OVERALL FIRST LAYER
  • Major Bushing Length: 0.045 INCHES IN
  • Mounting Method Style: PRESS FIT
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Terminal,feedthru, cataloged under National Stock Number 5940-00-333-6166, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-333-6166
Primary Part Number643985
Item NameTerminal,feedthru
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Precious MaterialGOLD AND SILVER
Precious Material and LocationOUTER SURFACES GOLD AND INNER SURFACES SILVER
Major Bushing Diameter0.250 INCHES IN
First End Terminal Length0.299 INCHES IN
Surface TreatmentSILVER OVERALL FIRST LAYER
Major Bushing Length0.045 INCHES IN
Mounting Method StylePRESS FIT
Minor Bushing Length0.230 INCHES IN
Electrical Insulation FeatureUNINSULATED
Basic Shape StyleNONTUBULAR ROUND
Second End Terminal Length0.312 INCHES IN
Minor Bushing Diameter0.202 INCHES IN
Overall Diameter0.250 INCHES0.250 INCHES IN
Material Document and ClassificationQQ-B-626,1/2 H,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Precious Material and Weight0.040 GOLD GRAINS, TROY AND 0.040 SILVER GRAINS, TROY
Conductor Accommodation TypeDOUBLE TURRET ALL ENDS
Largest Diameter0.144 INCHES ALL ENDS IN
Turret Minor Diameter0.065 INCHES ALL ENDS IN
Surface TreatmentGOLD OVERALL SECOND LAYER
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4320-00-058-3163 INTERCHANGEABLE
Shaft,transmission,pump
3455-00-222-413319945 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5905-00-258-6187 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5133-00-262-2170 INTERCHANGEABLE
Drill,twist
2925-00-448-468524233 INTERCHANGEABLE
Fan-Gen
Prestolite Electric Inc
5360-01-117-6106M-24233 INTERCHANGEABLE
Spring
Itw Food Equipment Group Llc Dba Hobart Service
6515-01-169-4974401536 INTERCHANGEABLE
Bag,ostomy
Convatec Bristol Myers Squibb Div
6515-01-242-9510242.33 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
9110374P2 General Electric Company (USA)
PR131HG6 Schroff Inc (USA)
PR131HG6 Precise of California Div of Adjustable Bushing Corp (USA)
643985 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
978002-3 PRIMARY Raytheon Company Dba Raytheon (USA)
12Z7001-5048 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
8131933 PRIMARY Us Army Aviation and Missile Command (USA)
AM0021-54 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
764740 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1152D PRIMARY Goe Engineering Co Inc (USA)
4010D PRIMARY Te Connectivity Corporation Dba Microdot Products (USA)
602 Precision Metal Products Co (USA)
24233 PRIMARY Telephonics Corp/prd Instruments (USA)
699064PC1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
24233 Peraton Inc (USA)
1360D PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
Related Parts
4320-00-058-3163INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
3455-00-222-4133INTERCHANGEABLE
REAMER,MACHINE
19945
5905-00-258-6187INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5133-00-262-2170INTERCHANGEABLE
DRILL,TWIST
2925-00-448-4685INTERCHANGEABLE
FAN-GEN
24233
5360-01-117-6106INTERCHANGEABLE
SPRING
M-24233
6515-01-169-4974INTERCHANGEABLE
BAG,OSTOMY
401536
6515-01-242-9510INTERCHANGEABLE
BONE PLATE
242.33

Frequently Asked Questions

What is NSN 5940-00-333-6166?

NSN 5940-00-333-6166 is a Terminal,feedthru, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-333-6166?

NSN 5940-00-333-6166 has 16 cross-referenced part numbers: 9110374P2 (General Electric Company), PR131HG6 (Schroff Inc), PR131HG6 (Precise of California Div of Adjustable Bushing Corp), 643985 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 978002-3 (Raytheon Company Dba Raytheon) and 11 more.

What NSN replaces 5940-00-333-6166?

There are 8 known substitutes for 5940-00-333-6166: 4320-00-058-3163, 3455-00-222-4133, 5905-00-258-6187 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 643985?

Key specifications for 643985: Precious Material: GOLD AND SILVER; Precious Material and Location: OUTER SURFACES GOLD AND INNER SURFACES SILVER; Major Bushing Diameter: 0.250 INCHES IN; First End Terminal Length: 0.299 INCHES IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-333-6166 still in active supply?

NSN 5940-00-333-6166 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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