PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12751BTerminal,feedthru

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect · NSN 5940-00-926-8206 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-926-8206 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-926-8206. Primary manufacturer part number: 12751B.
Features
  • Terminal,feedthru — FSC 5940
  • Material Document and Classification: QQ-B-626,ALLOY 360,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Conductor Accommodation Type: DOUBLE TURRET SECOND END
  • Turret Minor Diameter: 0.040 INCHES ALL ENDS IN
  • Major Bushing Diameter: 0.124 INCHES IN
  • Surface Treatment: GOLD OVERALL SECOND LAYER
  • Minor Bushing Diameter: 0.083 INCHES IN
  • Precious Material and Weight: 0.040 GOLD GRAINS, TROY
Applications
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Terminal,feedthru, cataloged under National Stock Number 5940-00-926-8206, 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 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-00-926-8206
Primary Part Number12751B
Item NameTerminal,feedthru
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
StatusACTIVE
Material Document and ClassificationQQ-B-626,ALLOY 360,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Conductor Accommodation TypeDOUBLE TURRET SECOND END
Turret Minor Diameter0.040 INCHES ALL ENDS IN
Major Bushing Diameter0.124 INCHES IN
Surface TreatmentGOLD OVERALL SECOND LAYER
Minor Bushing Diameter0.083 INCHES IN
Precious Material and Weight0.040 GOLD GRAINS, TROY
Minor Bushing Length0.240 INCHES IN
Mounting Method StylePRESS FIT
First End Terminal Length0.133 INCHES IN
Basic Shape StyleNONTUBULAR ROUND
Electrical Insulation FeatureUNINSULATED
MaterialCOPPER ALLOY 360 OVERALL
Precious MaterialGOLD
Surface TreatmentCOPPER OVERALL FIRST LAYER
Second End Terminal Length0.239 INCHES IN
Major Bushing Length0.050 INCHES IN
Largest Diameter0.078 INCHES SINGLE END IN
Surface Treatment Document and ClassificationMIL-G-45204,TYPE II,CLASS 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL SECOND LAYER
Conductor Accommodation TypeSINGLE TURRET FIRST END
Overall Diameter0.127 INCHES0.127 INCHES IN
Precious Material and LocationO/A EXTERNAL SURFACES GOLD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-6149 INTERCHANGEABLE
Ball,bearing
5935-00-149-398511584792 INTERCHANGEABLE
Connector,plug,electrical
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
5305-00-412-9789ASME B18.2.1-1996 INTERCHANGEABLE
Screw,lag
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-556-71766571-00 INTERCHANGEABLE
O-Ring
Lawler Manufacturing Company, Inc.
5950-00-645-4794 INTERCHANGEABLE
Transformer,power
5935-01-005-92664862 INTERCHANGEABLE
Connector,plug,electrical
Cooper Wiring Devices Inc.
2540-01-062-71666P1290 INTERCHANGEABLE
Filter
Caterpillar Inc Div Caterpillar Defense
4931-01-084-3737975-4 INTERCHANGEABLE
Retractor,cord,light
Daburn Wire & Cable Corp
5355-01-124-2084657-1 INTERCHANGEABLE
Knob
Kurz-Kasch Inc
5330-01-141-394019753 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
PR518 Precise of California Div of Adjustable Bushing Corp (USA)
12751B-4 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
975-3 Lta/d-Cemco Inc Dba D-Cemco (USA)
978046-6C Raytheon Company Dba Raytheon (USA)
12751B PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
978016-6 Raytheon Company Dba Raytheon (USA)
657-1 Jones Hiram Electronics Co (USA)
975-4 Lta/d-Cemco Inc Dba D-Cemco (USA)
PR518 Schroff Inc (USA)
PR-518-FSD3 Schroff Inc (USA)
Related Parts
3110-00-100-6149INTERCHANGEABLE
BALL,BEARING
5935-00-149-3985INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
11584792
5305-00-412-9789INTERCHANGEABLE
SCREW,LAG
ASME B18.2.1-1996
5331-00-556-7176INTERCHANGEABLE
O-RING
6571-00
5950-00-645-4794INTERCHANGEABLE
TRANSFORMER,POWER
5935-01-005-9266INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4862
2540-01-062-7166INTERCHANGEABLE
FILTER
6P1290
4931-01-084-3737INTERCHANGEABLE
RETRACTOR,CORD,LIGHT
975-4
5355-01-124-2084INTERCHANGEABLE
KNOB
657-1
5330-01-141-3940INTERCHANGEABLE
SEAL,PLAIN ENCASED
19753
5330-01-179-2087INTERCHANGEABLE
SEAL,PLAIN
2211454002
6640-01-504-3043INTERCHANGEABLE
TEST TUBE
6571

Frequently Asked Questions

What is NSN 5940-00-926-8206?

NSN 5940-00-926-8206 is a Terminal,feedthru, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-926-8206?

NSN 5940-00-926-8206 has 10 cross-referenced part numbers: PR518 (Precise of California Div of Adjustable Bushing Corp), 12751B-4 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), 975-3 (Lta/d-Cemco Inc Dba D-Cemco), 978046-6C (Raytheon Company Dba Raytheon), 12751B (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect) and 5 more.

What NSN replaces 5940-00-926-8206?

There are 12 known substitutes for 5940-00-926-8206: 3110-00-100-6149, 5935-00-149-3985, 5305-00-412-9789 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12751B?

Key specifications for 12751B: Material Document and Classification: QQ-B-626,ALLOY 360,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Conductor Accommodation Type: DOUBLE TURRET SECOND END; Turret Minor Diameter: 0.040 INCHES ALL ENDS IN; Major Bushing Diameter: 0.124 INCHES IN. 23 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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