PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS3451L20-4SConnector,receptacle,electrical

Sae International Dba Sae International · NSN 5935-01-464-5126 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-464-5126 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-464-5126. Primary manufacturer part number: MS3451L20-4S.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Specification/standard Data: 96906-MS3451 GOVERNMENT STANDARD
  • Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Position Arrangement Style: 20-4 SINGLE MATING END
  • Mating End Quantity: 1
  • Mounting Facility Thickness: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Included Contact Quantity: 4 SINGLE MATING END SINGLE CONTACT GROUPING
  • Body Style: STRAIGHT SHAPE, EXTERNAL COUPLING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-464-5126, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-464-5126
Primary Part NumberMS3451L20-4S
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Specification/standard Data96906-MS3451 GOVERNMENT STANDARD
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style20-4 SINGLE MATING END
Mating End Quantity1
Mounting Facility Thickness0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Distance From Mounting Shoulder to Front Face0.860 INCHES MINIMUM AND 0.921 INCHES MAXIMUM IN
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Diameter1.433 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-01-516-2862MS3451L22-2PX INTERCHANGEABLE
Connector,receptacle,electrical
Sae International Dba Sae International
5935-01-629-7601MS3451L16-10P INTERCHANGEABLE
Connector,receptacle,electrical
Sae International Dba Sae International
5935-01-629-9303MS3451L28-9S INTERCHANGEABLE
Connector,receptacle,electrical
Sae International Dba Sae International
5935-01-630-2706MS3451L28-12S INTERCHANGEABLE
Connector,receptacle,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS3451L20-4S PRIMARY Sae International Dba Sae International (USA)
SAE-AS50151 Sae International Dba Sae International (USA)
MS3451 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS3451L20-4S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-01-516-2862INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
MS3451L22-2PX
5935-01-629-7601INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
MS3451L16-10P
5935-01-629-9303INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
MS3451L28-9S
5935-01-630-2706INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
MS3451L28-12S

Frequently Asked Questions

What is NSN 5935-01-464-5126?

NSN 5935-01-464-5126 is a Connector,receptacle,electrical, manufactured by Sae International Dba Sae International, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-464-5126?

NSN 5935-01-464-5126 has 4 cross-referenced part numbers: MS3451L20-4S (Sae International Dba Sae International), SAE-AS50151 (Sae International Dba Sae International), MS3451 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS3451L20-4S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-01-464-5126?

There are 4 known substitutes for 5935-01-464-5126: 5935-01-516-2862, 5935-01-629-7601, 5935-01-629-9303 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS3451L20-4S?

Key specifications for MS3451L20-4S: Specification/standard Data: 96906-MS3451 GOVERNMENT STANDARD; Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING; Contact Position Arrangement Style: 20-4 SINGLE MATING END; Mating End Quantity: 1. 11 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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