PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4641Sensor Assembly,engine

L and S Industries Inc · NSN 6620-01-221-1942 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-01-221-1942 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-221-1942. Primary manufacturer part number: 4641.
Features
  • Sensor Assembly,engine — FSC 6620
  • General Characteristics Item Description: BRASS HALF OR FULL HARD,COMPOSITION 1,QQ-B-826; RS 35 CONTACT ARRANGEMENT,RECEPTACLE MS 3106R-125-3P,MIL-C-5015; PLUG THREAD 0.375 IN. DIA IAW MIL-P-7105; 0.375 IN. DIA FEMALE PIPE THREAD IN
  • Precious Material and Location: SOLDER SILVER
  • Precious Material and Weight: 0.040 SILVER GRAINS, TROY
  • Precious Material: SILVER
  • 3 verified cross-references
  • Primary manufacturer: L and S Industries Inc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Sensor Assembly,engine, cataloged under National Stock Number 6620-01-221-1942, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is L and S Industries Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN6620-01-221-1942
Primary Part Number4641
Item NameSensor Assembly,engine
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerL and S Industries Inc
StatusACTIVE
General Characteristics Item DescriptionBRASS HALF OR FULL HARD,COMPOSITION 1,QQ-B-826; RS 35 CONTACT ARRANGEMENT,RECEPTACLE MS 3106R-125-3P,MIL-C-5015; PLUG THREAD 0.375 IN. DIA IAW MIL-P-7105; 0.375 IN. DIA FEMALE PIPE THREAD IN
Precious Material and LocationSOLDER SILVER
Precious Material and Weight0.040 SILVER GRAINS, TROY
Precious MaterialSILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-306-1034 INTERCHANGEABLE
Switch,toggle
3040-00-390-148810345 INTERCHANGEABLE
Shaft,mixing Machine
Middleby Marshall Inc Conveyor Ovens and Mixers Div
5331-00-460-4674659-232-915 INTERCHANGEABLE
O-Ring
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5950-00-462-71267190013-1 INTERCHANGEABLE
Coil,radio Frequency
Electrodynamics Inc Div L3harris Electrodynamics Inc
5950-00-869-28484641 INTERCHANGEABLE
Transformer,radio Frequency
Lockheed Martin Corporation Div Rms
5950-00-874-41102885034 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-911-56044641 INTERCHANGEABLE
Seal,plain Encased
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5905-00-926-049395J4K7 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5930-00-975-79214641 INTERCHANGEABLE
Switch,electrical
Hoyt Corporation
5985-01-104-40011351 INTERCHANGEABLE
Antenna
A J Associates Inc
Cross-Reference Index
Part NumberManufacturer
4641 L and S Industries Inc
15599241 General Motors Llc Dba General Motors Llc (USA)
15599241 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
Related Parts
5930-00-306-1034INTERCHANGEABLE
SWITCH,TOGGLE
3040-00-390-1488INTERCHANGEABLE
SHAFT,MIXING MACHINE
10345
5331-00-460-4674INTERCHANGEABLE
O-RING
659-232-915
5950-00-462-7126INTERCHANGEABLE
COIL,RADIO FREQUENCY
7190013-1
5950-00-869-2848INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4641
5950-00-874-4110INTERCHANGEABLE
TRANSFORMER,POWER
2885034
5330-00-911-5604INTERCHANGEABLE
SEAL,PLAIN ENCASED
4641
5905-00-926-0493INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
95J4K7
5930-00-975-7921INTERCHANGEABLE
SWITCH,ELECTRICAL
4641
5985-01-104-4001INTERCHANGEABLE
ANTENNA
1351
4240-01-182-9858INTERCHANGEABLE
CAPE,AIR RESPIRATOR
464-1
5310-01-334-5313INTERCHANGEABLE
NUT,PLAIN,KNURLED
4641

Frequently Asked Questions

What is NSN 6620-01-221-1942?

NSN 6620-01-221-1942 is a Sensor Assembly,engine, manufactured by L and S Industries Inc, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-01-221-1942?

NSN 6620-01-221-1942 has 3 cross-referenced part numbers: 4641 (L and S Industries Inc), 15599241 (General Motors Llc Dba General Motors Llc), 15599241 (General Motors Corp Chevrolet Motor Div Special Products Dept).

What NSN replaces 6620-01-221-1942?

There are 12 known substitutes for 6620-01-221-1942: 5930-00-306-1034, 3040-00-390-1488, 5331-00-460-4674 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4641?

Key specifications for 4641: General Characteristics Item Description: BRASS HALF OR FULL HARD,COMPOSITION 1,QQ-B-826; RS 35 CONTACT ARRANGEMENT,RECEPTACLE MS 3106R-125-3P,MIL-C-5015; PLUG THREAD 0.375 IN. DIA IAW MIL-P-7105; 0.375 IN. DIA FEMALE PIPE THREAD IN; Precious Material and Location: SOLDER SILVER; Precious Material and Weight: 0.040 SILVER GRAINS, TROY; End Item Identification: 2320-01-123-6827 CARGO TRUCK. 5 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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