PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

372683LAPC4611Chain,roller

Naval Ship Systems Command · NSN 3020-00-678-3663 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-678-3663 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-678-3663. Primary manufacturer part number: 372683LAPC4611.
Features
  • Chain,roller — FSC 3020
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chain,roller, cataloged under National Stock Number 3020-00-678-3663, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Ship Systems Command. This item has 4 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.

Catalog Facts
Item NameChain,roller
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersSedgwick Machine Works Inc (CAGE 78139); Merritt-Chapman and Scott Corp New York Shipbuilding Co Div (CAGE 43533); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN3020-00-678-3663
Primary Part Number372683LAPC4611
Item NameChain,roller
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-151-811417A4086ITEM1 INTERCHANGEABLE
Bearing,ball,annular
Westinghouse Electric Corp
5975-00-152-1144 INTERCHANGEABLE
Box Connector,electrical
3110-00-155-9546311SW1 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5360-00-209-9947 INTERCHANGEABLE
Spring,helical,extension
5950-00-228-2578 INTERCHANGEABLE
Transformer,radio Frequency
5325-00-432-8531402601 INTERCHANGEABLE
Grommet,nonmetallic
Sabreliner Corp
2520-00-737-2450 INTERCHANGEABLE
Packing
6210-01-074-79524611 INTERCHANGEABLE
Aiming Device
O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.
5905-01-149-9343 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-01-151-64074611-1 INTERCHANGEABLE
Valve,relief,pressure and Temper
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
4611 Sedgwick Machine Works Inc (USA)
4611 Merritt-Chapman and Scott Corp New York Shipbuilding Co Div (USA)
372683LAPC4611 PRIMARY Naval Ship Systems Command (USA)
278199PC4611 Naval Ship Systems Command (USA)
Related Parts
3110-00-151-8114INTERCHANGEABLE
BEARING,BALL,ANNULAR
17A4086ITEM1
5975-00-152-1144INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3110-00-155-9546INTERCHANGEABLE
BEARING,BALL,ANNULAR
311SW1
5360-00-209-9947INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5950-00-228-2578INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5325-00-432-8531INTERCHANGEABLE
GROMMET,NONMETALLIC
402601
2520-00-737-2450INTERCHANGEABLE
PACKING
6210-01-074-7952INTERCHANGEABLE
AIMING DEVICE
4611
5905-01-149-9343INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-01-151-6407INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
4611-1
9320-01-155-2369INTERCHANGEABLE
TAPE,ADHESIVE,RUBBER
7025-01-188-5956INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN

Frequently Asked Questions

What is NSN 3020-00-678-3663?

NSN 3020-00-678-3663 is a Chain,roller, manufactured by Naval Ship Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-678-3663?

NSN 3020-00-678-3663 has 4 cross-referenced part numbers: 4611 (Sedgwick Machine Works Inc), 4611 (Merritt-Chapman and Scott Corp New York Shipbuilding Co Div), 372683LAPC4611 (Naval Ship Systems Command), 278199PC4611 (Naval Ship Systems Command).

What NSN replaces 3020-00-678-3663?

There are 12 known substitutes for 3020-00-678-3663: 3110-00-151-8114, 5975-00-152-1144, 3110-00-155-9546 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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